Customized Stainless Steel Valve Components - China Suppliers & Factory for Precision OEM Casting
Product Declaration
The products shown here are specifically designed and manufactured to meet the unique requirements of our customers. These examples reflect the wide range of manufacturing capabilities within Lantian of companies, particularly for investment casting of valve components. Our policy ensures that none of these products will be sold to third parties without the written consent of the customers who own the tooling, design, and specifications.
About our Company
Lantian Precision Casting Company is the sales company of Lantian Group of Companies. Features of Lantian simply summarized as below:
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Trusted supplier of steel, iron & non-ferrous components;
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Extensive documented quality program in place.
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Castings, forgings, stampings, machining, welding & fabrication services.
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9 related factories, over 50 joint-venture sub-contractors.
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30+ years of manufacturing experiences, 15+ years of exporting experience
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100% of products sold to overseas customers.
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50% of customer base is fortune 500 companies.
Casting Service
Casting is a manufacturing process where a liquid material is poured into a mold containing a cavity of the desired shape, then allowed to solidify. Lantian offers various casting services, including investment casting, sand casting, die casting, low-pressure casting, ESR casting, and lost foam casting. We specialize in investment casting of valve components for industries like automotive and industrial equipment. We handle materials such as steel, iron, and non-ferrous metals. Our component weight range spans from 0.01kg to 150 tons.
Machining Service
Machining involves shaping raw material into a final form by removing material through controlled processes. Lantian operates over 60 precision machines, including CNC centers, boring, milling, and turning equipment. We also have more than 300 inspection instruments, including 3 CMM machines for μm-level precision. We specialize in machining valve components, maintaining tolerances as tight as 0.02mm. Our certifications include ISO9001-2008 and ISO/TS16949.
3rd Party Inspection
Lantian acts as a third-party inspection center in addition to conducting self-inspections at our sister factories and with subcontractors. We offer process inspection, random checks, and pre-delivery inspections for valve components. These include material properties, mechanical performance, dimensional accuracy, and surface treatments. We provide weekly project reports with images and videos and offer full documentation of the inspections. We also serve as third-party inspection representatives for customers when their products are produced by other suppliers.
Our Exhibition
Frequently Asked Questions (FAQ)
Are the products shown on your website available for general purchase?
No. The products shown are custom-designed and manufactured to meet unique customer requirements. Our policy strictly prohibits selling these products to third parties without the written consent of the customers who own the tooling, design, and specifications.
What types of casting services does Lantian offer?
Lantian offers a wide variety of casting services, including investment casting, sand casting, die casting, low-pressure casting, ESR casting, and lost foam casting. We specialize in investment casting of valve components.
What are your machining capabilities and precision tolerances?
We operate over 60 precision machines, including CNC centers, boring, milling, and turning equipment, along with 300+ inspection instruments (such as 3 CMM machines). We can maintain tolerances as tight as 0.02mm and hold ISO9001-2008 and ISO/TS16949 certifications.
Does Lantian provide third-party inspection services?
Yes. We act as a third-party inspection center, offering process inspections, random checks, and pre-delivery inspections (covering material properties, mechanical performance, dimensions, and surface treatments). We also represent customers for products manufactured by other suppliers.
What materials and weight ranges can Lantian handle?
We process steel, iron, and non-ferrous metals. Our component manufacturing capabilities support a weight range spanning from 0.01kg up to 150 tons.
What is Lantian's experience and market focus?
Lantian has over 30 years of manufacturing experience and 15+ years of exporting experience. 100% of our products are sold to overseas customers, and 50% of our customer base consists of Fortune 500 companies.







