Customized Lost Wax Steel Casting Services from China Suppliers - Precision Parts from Factory with Machining Process
Product Declaration
The products presented here are produced specifically to meet the requirements of individual customers, highlighting the advanced investment casting techniques and manufacturing capabilities within Lantian Group of Companies. In line with our commitment to confidentiality, we ensure that none of these investment castings will be distributed to third parties unless explicit written permission is granted by the customers who own the tooling, designs, and product specifications.
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
Investment casting (also known as lost wax casting) involves pouring liquid material into a mold with a hollow cavity of the desired shape, which then solidifies to form the product.
Lantian specializes in multiple casting techniques, including investment casting, sand casting, permanent mold casting, die casting, low-pressure casting, electroslag remelting (ESR) casting, and lost foam casting.
We work with a variety of materials such as steel, iron, and non-ferrous alloys. We accommodate component weights ranging from 0.01 kg to 150 tons, ensuring versatility and precision for a broad range of industrial.
Machining Service
Machining involves a range of processes where material is precisely removed to create parts with the desired shape and size.
Lantian boasts over 60 advanced precision machines, including CNC centers, boring mills, lathes, and milling machines. We also employ over 300 inspection tools, including three CMM systems capable of measuring to the micrometer (μm) level. We ensure that repeated tolerance is maintained within 0.02mm. Lantian is certified with ISO9001-2008 and ISO/TS16949 and is known for its expertise in machining metal components, whether small, medium, or large.
3rd Party Inspection
Lantian functions as a trusted third-party inspection center, supplementing its sister factories and subcontractors' self-inspection processes. We provide comprehensive inspection services, including process audits, random inspections, and pre-delivery quality checks. These services encompass a variety of tests, such as material analysis, mechanical testing, internal flaw detection, dimensional measurements, pressure and load tests, balance assessments, surface treatment analysis, and visual evaluations.
For every project, we deliver detailed follow-up reports that include photographs, videos, and full quality documentation. Furthermore, Lantian also serves as an external third-party inspection representative for multiple clients, ensuring that products manufactured by other suppliers meet the required specifications.


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Frequently Asked Questions
Lantian specializes in a wide range of techniques including investment casting (lost wax), sand casting, permanent mold casting, die casting, low-pressure casting, electroslag remelting (ESR) casting, and lost foam casting.
We accommodate component weights ranging from as small as 0.01 kg up to large-scale industrial parts weighing 150 tons.
Utilizing over 60 advanced CNC centers and precision tools, we ensure that repeated tolerance is strictly maintained within 0.02mm, with measurement capabilities reaching the micrometer (μm) level.
Lantian acts as a trusted third-party inspection center, performing process audits, random inspections, and pre-delivery checks including material analysis, mechanical testing, and internal flaw detection.
Yes. We strictly adhere to a confidentiality commitment. None of the investment castings, designs, or tooling specifications are shared with third parties without explicit written permission from the customer.
Lantian is certified with ISO9001-2008 and ISO/TS16949, ensuring international standards for quality management in the manufacturing of metal components.






