OEM Custom Precision Stainless Steel Valve Parts - China Factory Suppliers with Lost Wax Casting Expertise

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As a leading factory and suppliers in China, we specialize in providing comprehensive solutions for manufacturing processes, including pattern design/making, casting, heat treatment, machining, and surface treatment—all done in-house. With 100% of our products exported overseas, we ensure high-quality results tailored to meet international standards.

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Founded in 1997, our factory boasts an impressive annual capacity of 600 tons for investment casting (silicon sol) and 4,000 tons for lost wax casting (water glass). Our facilities are equipped to handle diverse customer requirements.

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We offer a full range of investment casting processes to accommodate varying demands, including silicon sol casting, water glass casting, and hybrid solutions that utilize both methods.

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To meet the specific needs of our clients, we maintain both manual molding and automated wax injection & molding lines, particularly for our water glass casting process.

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Our extensive experience in machining allows us to produce precision parts, handling both flat and complex shapes with ease. We work with a variety of materials, including carbon steel, alloy steel, and stainless steel, accommodating weights from 0.05 kg to 100 kg.

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We stand by our material warranty, which covers both the properties and internal quality of our products. As an ISO-certified factory, we are committed to excellence in every aspect of our operations.

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PRODUCTS DETAILS

Product Declaration

Products shown herein are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within Lantian group of companies.

Our policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.

Lantian Product Declaration

About our Company

Lantian is the sales company of Lantian Group of Companies. Features of Lantian simply summarized as below:

  • ✓ Trusted supplier of steel, iron & non-ferrous components.
  • ✓ Extensive documented quality program in place.
  • ✓ Castings, forgings, stampings, machining, welding & fabrication services.
  • ✓ 9 related factories, over 50 joint-venture sub-contractors.
  • ✓ 30+ years of manufacturing experiences, 15+ years of exporting experience.
  • ✓ 100% of products sold to overseas customers.
  • ✓ 50% of customer base is fortune 500 companies.

Casting Service

Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.

Lantian offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately.

Lantian Casting Service

Machining Service

Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process.

Lantian has more than 60 sets precision machines incl. CNC center, boring, milling, lathing, etc., and more than 300 inspection instruments incl. 3 sets CMM with grade μm. Repeated tolerance can be maintained as 0.02mm. Meanwhile awarded by certificates ISO9001-2008; ISO/TS16949. Lantian specialized in high precise machining for small-middle-big metal components.

Lantian Machining Service

3rd Party Inspection

Lantian worked as 3rd party inspection center besides its sister factories or sub-contractors' self inspection. Offers process inspection, random inspection and before delivery inspection services for material, mechanical, inside defects, dimensional, pressure, load, balance, surface treatment, visual inspection and test. Weekly project follow-up report together with pictures and videos, full quality inspection documentation available.

Lantian also designed as 3rd party inspection representative for several customers when their products made by other suppliers.

Inspection Process
Quality Testing
Dimensional Inspection

Our Exhibition

Global Exhibition 1
Global Exhibition 2
Global Exhibition 3

Frequently Asked Questions

What manufacturing services does Lantian Group provide?
We offer a comprehensive range of services including investment casting, sand casting, die casting, forgings, stampings, precision machining, welding, and fabrication for steel, iron, and non-ferrous components.
Can I purchase the specific products shown on your website?
The products shown are illustrative of our manufacturing capabilities and belong to specific customers. They cannot be sold to third parties without the written consent of the original owners of the tooling and design.
What quality certifications does Lantian hold?
Lantian is certified under ISO9001-2008 and ISO/TS16949, ensuring high-quality standards in all our manufacturing and machining processes.
Does Lantian offer third-party inspection services?
Yes, we act as a third-party inspection center, providing process, random, and pre-delivery inspections for materials, dimensions, defects, and surface treatments, complete with full documentation.
What is Lantian's experience in the international market?
We have over 30 years of manufacturing experience and 15+ years of exporting experience. 100% of our products are sold to overseas customers, including many Fortune 500 companies.
What is the weight range for casting components?
Our casting capabilities cover a wide range, from small components weighing 0.01Kg to large industrial parts up to 150 tons.

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