{"id":450,"date":"2026-05-28T01:53:45","date_gmt":"2026-05-28T01:53:45","guid":{"rendered":"https:\/\/kurtfoundry.com\/?p=450"},"modified":"2026-07-16T10:00:48","modified_gmt":"2026-07-16T10:00:48","slug":"top-10-china-sand-casting-factories-oem-sourcing","status":"publish","type":"post","link":"https:\/\/kurtfoundry.com\/fr\/blog\/top-10-china-sand-casting-factories-oem-sourcing\/","title":{"rendered":"Top 10 des fonderies de moulage au sable en Chine pour l'approvisionnement OEM"},"content":{"rendered":"\n<p>Defects and rework on Chinese castings increase procurement costs by 15-30% \u2014 and that\u2019s before you add 25% Section 232 tariffs on iron and steel imports. I\u2019ve watched procurement teams celebrate a 40% piece-price savings, then lose every dollar of it to scrap, rework, and duties they never budgeted for.<\/p>\n\n\n\n<p>China produces over 40% of the world\u2019s metal castings, and sand casting alone accounts for nearly half of Asia Pacific production by volume. The supply base is massive. The challenge isn\u2019t finding a foundry \u2014 it\u2019s finding one that ships quality parts consistently and still saves you money after all costs land at your dock.<\/p>\n\n\n\n<p>Every \u201cTop 10\u201d list I\u2019ve seen online is written by a Chinese foundry ranking itself first. This one is written from the buyer\u2019s side.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What to Evaluate Before You Shortlist<\/h2>\n\n\n\n<p>Screen every foundry on this list \u2014 and <a href=\"https:\/\/kurtfoundry.com\/blog\/top-10-sand-casting-companies-custom-projects\/\">any foundry not on it<\/a> \u2014 against these five factors before you send an RFQ.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Certifications (verified, not claimed): ISO 9001 is baseline. IATF 16949 matters for automotive. PED for pressure equipment into Europe. Ask for certificate numbers and verify directly with the issuing body.<\/li>\n<li>Alloy range and process capability: \u201cIron and steel\u201d is not a specification. You need ASTM-grade coverage \u2014 A536 ductile iron, A216 WCB carbon steel, CF8M stainless. Ask for their melt chemistry reports from the last six months.<\/li>\n<li>Annual capacity and max piece weight: A 5,000-ton\/year shop cannot reliably deliver a 200-ton annual program alongside its other customers. Get capacity utilization data, not just nameplate capacity.<\/li>\n<li>Export track record: Factories with 10+ years of NA\/European export experience understand Western quality expectations. Ask for shipping records and customer references in your target market.<\/li>\n<li>In-house machining: Foundries with CNC machining capability deliver finished parts. Casting-only operations add a subcontractor, a handoff, and a quality risk.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-1.png\" alt=\"Five-factor evaluation checklist for screening China sand casting factories before issuing an RFQ\" title=\"\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Factory Comparison at a Glance<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Factory<\/th><th>Region<\/th><th>Reported Capacity<\/th><th>Key Certifications<\/th><th>Specialization<\/th><\/tr><\/thead><tbody><tr><td>Dawang Metals<\/td><td>Shandong<\/td><td>17,000 tons\/year<\/td><td>ISO 9001<\/td><td>Iron, steel<\/td><\/tr><tr><td>Simis Casting<\/td><td>Zhejiang<\/td><td>Mid-scale<\/td><td>ISO 9001, TS16949<\/td><td>Gray\/ductile iron<\/td><\/tr><tr><td>Shandong Jingyanggang<\/td><td>Shandong<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Large castings<\/td><\/tr><tr><td>Dongying Highyond<\/td><td>Shandong<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Precision sand casting<\/td><\/tr><tr><td>Ningbo Yinzhou Leisheng<\/td><td>Zhejiang<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Multi-process<\/td><\/tr><tr><td>Dalian Zhongsheng<\/td><td>Liaoning<\/td><td>~200 employees<\/td><td>ISO 9001<\/td><td>Export-focused<\/td><\/tr><tr><td>Qingdao Qitao<\/td><td>Shandong<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Automotive castings<\/td><\/tr><tr><td>Botou Xinghe<\/td><td>Hebei<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Iron construction castings<\/td><\/tr><tr><td>Jiangsu Jixin<\/td><td>Jiangsu<\/td><td>Mid-scale<\/td><td>ISO 9001<\/td><td>Steel castings<\/td><\/tr><tr><td>Dandong Foundry<\/td><td>Liaoning<\/td><td>Mid-scale<\/td><td>ISO 9001 (reported)<\/td><td>Gray iron, ductile iron, steel<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-2.png\" alt=\"Map of China sand casting factory regions showing major foundry clusters and export port locations\" title=\"\"><\/figure>\n\n\n\n<p><em>\u201dReported\u201d means factory-stated. Verify all claims independently before qualification.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dawang Metals<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Dawang operates from a 95,000-square-meter facility in Dongying, Shandong, with a reported annual capacity of 17,000 tons. They produce iron and steel castings using green sand, resin sand, and shell molding. The facility includes in-house machining.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-3.png\" alt=\"Sand casting factory production floor with molten metal pouring operation typical of large China sand casting factories\" title=\"\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 certified. Full-service capability claimed across casting, machining, testing, and design \u2014 independent verification essential.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>High-volume iron and steel programs where capacity and integrated services matter. Verify machining tolerances with first article inspection before committing to production volumes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Simis Casting<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Ningbo-based foundry reporting 85% of production exports to North America and Europe. Specializes in gray iron and ductile iron sand castings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>Reports ISO 9001 and TS16949 (now IATF 16949), plus TUV. Automotive-tier quality systems \u2014 if current and verified.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Automotive and industrial iron castings where the supplier needs to understand PPAP documentation and Western inspection standards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Shandong Jingyanggang<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Established in 2005 with over 15 years of continuous operation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Longevity is a positive signal \u2014 foundries that survive 15+ years in China\u2019s competitive market typically maintain a stable customer base.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Buyers who value operational maturity. Request customer retention data and defect trend reports from the past three years.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dongying Highyond<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Founded in 2008 in Dongying, a sub-region of Shandong known for resin-bonded sand processes and tighter tolerances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Medium-complexity castings requiring tighter dimensional control than standard green sand processes deliver.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ningbo Yinzhou Leisheng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Established in 2008 in Ningbo. Multi-process capability reported, including sand casting and other foundry methods.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Ningbo\u2019s deep-water port shortens Pacific transit times.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>US West Coast buyers minimizing shipping time. Ningbo is one of the closest major casting ports to Pacific coast destinations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dalian Zhongsheng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Located in Dalian, Liaoning, with approximately 200 employees. Dalian\u2019s foundries tend toward larger, structural castings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Established shipping routes through Dalian port.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Structural and heavy industrial castings. Experienced casting engineers help with complex geometries and thick-section pours.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qingdao Qitao<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Operating from Qingdao in eastern Shandong. Specializes in automotive-grade castings with green sand and shell mold processes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Qingdao\u2019s Tier 1 export port keeps freight rates competitive.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Automotive brackets, housings, and mid-weight components. Qingdao foundries compete aggressively on price \u2014 use that leverage but verify quality systems carefully.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botou Xinghe<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Hebei\u2019s Botou district is China\u2019s largest concentration of iron casting foundries, producing everything from manhole covers to industrial valve bodies. Botou Xinghe is one of the established operations in this cluster.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Note: certain iron construction castings from China face anti-dumping duties in effect since the 1980s and renewed through 2022 federal sunset review. Verify HTS classification before quoting Hebei iron castings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>High-volume gray iron commodity castings where cost sensitivity is the primary driver. Run anti-dumping duty checks before finalizing sourcing decisions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jiangsu Jixin<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Jiangsu province has a strong steel casting cluster skewing toward higher-specification work \u2014 stainless steels, alloy steels, and heat-resistant grades.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported. Proximity to Shanghai port and a deep engineering talent pool support tighter-spec orders.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Steel and alloy castings requiring more demanding metallurgy. Slightly more expensive than Shandong or Hebei competitors, but material quality is typically more consistent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dandong Foundry<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Capabilities<\/h3>\n\n\n\n<p>Dandong Foundry in Liaoning pours gray iron, ductile iron, and steel castings using green sand, resin sand, and shell molding, with in-house machining. Their published catalog concentrates on agricultural machinery, tractor, and truck components \u2014 repeat OEM part families rather than one-off projects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Certifications and Export Record<\/h3>\n\n\n\n<p>ISO 9001 reported; castings quoted to ASTM standards for export buyers. Dandong\u2019s port position in Liaoning serves North American routes directly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<p>Small-to-mid batch gray and ductile iron OEM parts, especially agricultural and truck components where the part family matches their existing tooling experience.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Qualify a Chinese Foundry Before You Commit<\/h2>\n\n\n\n<p>A factory profile is marketing. Qualification is evidence. I\u2019ve seen procurement teams skip this step to save $5,000 and lose $200,000 on a failed production run. One buyer I know prepaid a supplier listed as a \u201cfactory\u201d on Alibaba \u2014 it turned out to be a three-person trading office renting someone else\u2019s business license.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-4.png\" alt=\"Three-phase supplier audit workflow for qualifying China sand casting factories before committing to production\" title=\"\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Run a Three-Phase Supplier Audit<\/h3>\n\n\n\n<p>Before you RFQ, define your quality requirements on paper. Then run a structured audit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phase 1 \u2014 Documentation review: Request ISO certificates with registration numbers. Verify them directly with the certification body. Ask for melt reports, dimensional inspection records, and customer reference lists.<\/li>\n<li>Phase 2 \u2014 On-site inspection: A factory audit in China costs $150-398 per man-day through third-party inspection services and can be arranged in 48 hours. Paperwork cannot tell you what the shop floor looks like at 2 PM on a Tuesday.<\/li>\n<li>Phase 3 \u2014 Sample order and first article inspection: Order 10-50 pieces before committing to production volume. Run full dimensional inspection, material certification, and destructive testing on the samples. A German machinery manufacturer used this approach to reduce its Chinese casting defect rate from 8% to under 1% while cutting lead times by 20%.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Red Flags That Should Stop an RFQ<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Factory refuses a video tour or third-party audit<\/li>\n<li>Certifications cannot be independently verified<\/li>\n<li>Only sales staff speak English \u2014 no direct access to engineering<\/li>\n<li>No spectrometer or CMM equipment visible in the facility<\/li>\n<li>Quoted lead times shorter than 6 weeks for tooled castings (likely unrealistic)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-6.png\" alt=\"Quality inspector measuring sand casting dimensions during first article inspection at a China sand casting factory\" title=\"\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Common Quality Control Issues in China Sand Casting<\/h2>\n\n\n\n<p>Five defect patterns account for almost every Chinese sand casting failure I\u2019ve diagnosed. Name them in your inspection plan or they slip through.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porosity (shrinkage and gas): Most common on Chinese ductile and gray iron \u2014 undersized risers, rushed cooling. Catch it at first article inspection via sectioning plus dye penetrant. If the foundry resists destructive sectioning of a sample, that is the answer.<\/li>\n<li>Dimensional drift on long parts: Mold wear and incorrect shrinkage compensation produce 0.5-2 mm drift per 100 mm on cast sections over 300 mm \u2014 enough to scrap a part with a bolt circle. Require pattern maintenance records and CMM reports on a five-piece sample before approving the tool.<\/li>\n<li>Material substitution: A536 65-45-12 quoted, A536 60-40-18 delivered \u2014 the most common contractual breach on Chinese ductile iron. Defense: mill certs per heat in the PO plus incoming spectrometer PMI on every shipment.<\/li>\n<li>Certification fraud: ISO 9001 photocopies with edited validity dates circulate constantly. Verify the certificate number directly with T\u00dcV, SGS, BSI, or DNV via their public lookup. Company-name search is not certificate-number search.<\/li>\n<li>Sand inclusions and slag: Cluster on as-cast surfaces from poor gating and inadequate slag traps. Machining stock compensates only on machined faces; on as-cast structural surfaces there is no recovery. Specify maximum inclusion size on critical surfaces in the drawing.<\/li>\n<\/ul>\n\n\n\n<p>A defect named in the contract is a defect with a remedy. A defect discovered at receiving is a defect with an argument.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What That Chinese Quote Really Costs<\/h2>\n\n\n\n<p>When you factor in the total landed cost, that attractive piece price often disappears.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tariff Layer<\/h3>\n\n\n\n<p>Section 232 imposes 25% duty on steel and iron products imported from China. Section 301 adds another 25% on over $200 billion of Chinese imports. For certain iron construction castings, anti-dumping duties have been stacked on top of both since the 1980s. Depending on HTS classification, your total duty burden can reach 50% or more of the declared value.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/top-10-china-sand-casting-factories-5.png\" alt=\"Total landed cost breakdown showing how tariffs and hidden costs stack on top of China sand casting factory piece prices\" title=\"\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Hidden Cost Layer<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ocean freight and customs brokerage: Several thousand dollars per container depending on port, weight, and routing<\/li>\n<li>Quality costs: Defects and rework add 15-30% on poorly qualified suppliers<\/li>\n<li>Tooling: $800-40,000 patterns plus IP \/ lock-in risk<\/li>\n<li>Communication overhead: Time-zone gaps and revision cycles add hidden PM cost<\/li>\n<\/ul>\n\n\n\n<p>A 40% piece-price discount evaporates fast when duties alone eat 25-50% and quality costs another 15-30%.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tooling Costs and IP Risk on China Sand Casting Programs<\/h2>\n\n\n\n<p>Most China quotes hide tooling in a single amortization line. Here are the numbers and the contract language buyers need.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typical China Pattern Ranges (Green Sand)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parts under 50 kg: $800-3,500 per pattern<\/li>\n<li>Parts 50-300 kg: $3,500-12,000<\/li>\n<li>Structural castings over 300 kg: $12,000-40,000<\/li>\n<\/ul>\n\n\n\n<p>North American shops typically run 30-60% higher. Resin-bonded sand patterns add another 20-40% over green sand.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IP and Lock-in Reality<\/h3>\n\n\n\n<p>Tooling physically stays at the foundry. Even with \u201ctooling owned by buyer\u201d language, freight to repatriate a 1-3 ton pattern plus the foundry\u2019s reluctance to release tooling that anchors a recurring order produces effective lock-in.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Contract Clauses Worth Fighting For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tooling stamped with buyer P\/N and \u201cProperty of [Buyer]\u201d<\/li>\n<li>Annual physical inspection rights at the foundry<\/li>\n<li>Right to repatriate within 30 days of written notice at buyer\u2019s freight expense<\/li>\n<li>Tooling drawings and CAM files delivered as a contract deliverable<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">The Backup Pattern Hedge<\/h3>\n\n\n\n<p>A domestic backup pattern at $1,500-8,000. On programs over $250,000 annual spend, it pays for itself the first time a tariff shift or quality dispute forces a re-source.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Making the Decision<\/h2>\n\n\n\n<p>The ten foundries listed here cover China\u2019s major casting regions and specializations, but a name on a list does not make a qualified supplier. Run a three-phase audit on your top two or three candidates, and calculate total landed cost \u2014 including tariffs, freight, quality risk, and project management overhead \u2014 before you compare that Chinese quote against a domestic alternative.<\/p>\n\n\n\n<p>The sourcing teams that get burned are the ones who shortlist on piece price and audit after the first shipment fails. Flip that sequence: audit first, calculate landed cost second, and award the PO third. The foundry that looks cheapest on a line-item quote is rarely cheapest at your receiving dock.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"BlogPosting\",\n  \"@id\": \"https:\/\/kurtfoundry.com\/top-10-china-sand-casting-factories-oem-sourcing\/\",\n  \"mainEntityOfPage\": {\n    \"@type\": \"WebPage\",\n    \"@id\": \"https:\/\/kurtfoundry.com\/top-10-china-sand-casting-factories-oem-sourcing\/\"\n  },\n  \"headline\": \"Top 10 China Sand Casting Factories for OEM Sourcing\",\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Kurt Foundry\",\n    \"url\": \"https:\/\/kurtfoundry.com\"\n  },\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Kurt Foundry\",\n    \"url\": \"https:\/\/kurtfoundry.com\"\n  },\n  \"wordCount\": 2179,\n  \"description\": \"Defects and rework on Chinese castings increase procurement costs by 15-30% \u2014 and that\u2019s before you add 25% Section 232 tariffs on iron and steel imports. I\u2019...\",\n  \"articleSection\": [\n    \"What to Evaluate Before You Shortlist\",\n    \"Factory Comparison at a Glance\",\n    \"Dawang Metals\",\n    \"Simis Casting\",\n    \"Shandong Jingyanggang\",\n    \"Dongying Highyond\",\n    \"Ningbo Yinzhou Leisheng\",\n    \"Dalian Zhongsheng\",\n    \"Qingdao Qitao\",\n    \"Botou Xinghe\",\n    \"Jiangsu Jixin\",\n    \"Dandong Foundry\",\n    \"How to Qualify a Chinese Foundry Before You Commit\",\n    \"Common Quality Control Issues in China Sand Casting\",\n    \"What That Chinese Quote Really Costs\",\n    \"Tooling Costs and IP Risk on China Sand Casting Programs\",\n    \"Making the Decision\"\n  ],\n  \"datePublished\": \"2026-05-28T01:53:45+00:00\",\n  \"dateModified\": \"2026-07-16T10:00:26+00:00\",\n  \"mentions\": [\n    {\n      \"@type\": \"Thing\",\n      \"name\": \"Carbon steel\",\n      \"sameAs\": \"https:\/\/en.wikipedia.org\/wiki\/Carbon_steel\"\n    },\n    {\n      \"@type\": \"Thing\",\n      \"name\": \"Simis 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add 25% Section 232 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