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We Dongying Zhengda Metal Product Co., LTD is a lost wax process (investment casting process) foundry in Dongying, Shandong, China, established in 1994, with 60 tons production capability per month. Zhengda consists of five factories, a tooling factory, a precision casting factory, a CNC machining factory ,Sheet metal machining factory and a polishing process factory.


Our products mainly include building hardware, marine hardware, valve and pump accessories, machinery wear parts, auto parts and some customized products. The products are usually in stainless steel,carbon steel material, alloy steel, etc. With expertise in production, Zhengda is well equipped to provide complex shapes to close tolerances, high standards of finish, and stringent testing and inspection. All the above activities are supported by experienced, trained, and qualified personnel who are highly motivated to offer their best. Over 90% of products are exported to many countries and regions, such as the United States, South Korea, Australia, Germany, Sweden, Singapore, Spain and Taiwan.


The Company “Zhengda” is devoted to providing quality castings and finished parts and maintaining the highest level of customer satisfaction.


Zhengda strives to exceed expectations. Its products, services, rapid-response capability, in-depth market knowledge, and competitive pricing set ever-rising standards of quality and value for the markets we serve.Our unity and hard-working will contribute to enabling us for a better and more promising future.