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High Quality Cast Iron and Stainless Steel Exhaust Manifold Pipes for Modified Cars - China Suppliers and Factory
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High Quality Cast Iron and Stainless Steel Exhaust Manifold Pipes for Modified Cars - China Suppliers and Factory

Stainless steel investment casting manifolds from China are precision-engineered components that efficiently direct fluids and gases in various applications. As leading suppliers in the industry, our factory utilizes the advanced lost-wax casting process to produce manifolds that combine exceptional strength, corrosion resistance, and high durability. These high-quality components are ideal for use in sectors such as aerospace, automotive, and chemical processing. With complex geometries and tight tolerances, our stainless steel manifolds ensure optimal performance even in the most demanding environments. Choose our China factory for reliable solutions in your engineering projects
  • Name Cast Exhaust Manifold For Auto
  • Material Stainless Steel
  • Standard ASTM/ASME/EN
  • Application Automotive
  • Dimensions Customer Required
  • process Lost Wax Casting +Machining(if Need)+surface Treatment
  • Certification ISO9001:2015
  • Drawing format 2D/(PDF/CAD)3D(IGES/STEP)
  • Size Customized Size
  • Color Customized Color

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.

Product Declaration - Lantian Group

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.

Casting Service Process

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.

Precision 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 1
Inspection Process 2
Inspection Process 3

Our Exhibition

Lantian Exhibition 1
Lantian Exhibition 2
Lantian Exhibition 3

Frequently Asked Questions

What is Lantian's policy on product designs?
We strictly protect customer intellectual property. No products are sold to 3rd parties without the written consent of the original design and tooling owners.
What types of casting processes do you offer?
We provide a wide range of services including investment casting, sand casting, die casting, permanent casting, low pressure casting, ESR casting, and lost foam casting.
What is the weight range for your cast components?
Our manufacturing capabilities allow us to handle single components ranging from as small as 0.01Kg up to 150 tons.
What precision can your machining service achieve?
With over 60 sets of precision CNC machines and CMM instruments, we can maintain a repeated tolerance of 0.02mm.
Do you provide independent quality inspection?
Yes, we act as a 3rd party inspection center, offering full documentation, weekly reports, and visual verification (pictures/videos) for materials and dimensional accuracy.
Is Lantian experienced in international exports?
Lantian has over 30 years of manufacturing experience and 15+ years of exporting experience, with 100% of products sold to overseas customers, including Fortune 500 companies.