Investment casting industry in china
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China specialist in top precision silica sol investment castings by lost wax casting process.

Our exceptional quality control, reasonable price and fine service have obtain the faith of our customers all over the world.

Thank your for choosing Dana Precision Metal

Nice Service;

Quality Reliable;

Reasonable Price

Please contact us if you have any need.



DANA PRECISION METAL specializes in the production of valve parts, pump parts, auto parts, marine equipment castings, impeller blades, mines wear-resistant parts, pipe fittings, polishing parts etc stainless steel castings.

Weight Range: 0.005 ~ 100kg

Maximum Outline Dimension: 600mm x 600mm x 600mm

Investment Casting Supplier

Quality Assurance:
Under the guidance of “win the competition by perfect quality”, our company has employed some of the most leaded excellent technicians in our own profession and has introduced the most advanced manufacturing technics and equipments since the establishment. We have professionals specializing in quality management. We have established and implemented a strictly controlled and greatly practical production quality assurance system. Each production flow is always under control so as perfect product.

Keys of quality assurance control:

1. Craftsmanship of staff.
Products of high quality is bestowed by highly qualified and professional staff. Our company trains the new staff differently in allusion to different requirements of positions before getting down to working. They can only start work after having passed the assessment. Furthermore, we trained the staff periodically so as to improve their professional operation level.

2. Equipment and craftwork.
Advanced equipment is the foundation of satisfying the requirement of realizing excellent craftwork design. Under this principle and based on the advanced cast metal manufacturing experience of the foreign countries, We realized completely automatic control during the whole producing process, and avoid the influence of artificial factors to the quality of the products.
Therefore, our company enjoys a high reputation for the high precision of size, the uniformity of the wall thickness of the pipes, and the excellence of 100% solid-melt disposal.

3. Quality control of the raw materials.
Our out-sourcing raw materials come from the qualified suppliers after being strictly audited. After arriving at our factory, except for inspection on the size and Facing and chemical, all the raw material has to be qualitatively examined and has to be quantificational spectrum examined. It is until the examining results meets the standard of our material inspection and the inspection report provided by the supplier, that will we use the materials. After that,we will input all the inspection data into our computer for better management.

4. Control of the producing process.
Quality control during the producing process is one of the most important tache of guaranteeing the quality of the products. In order to make sure that the quality of every product is under control, our company adopts the means of combining 100% self-inspection by the worker and sample inspection by the professional QC. We set up quality control reference point. The products of the key working procedure will have to be examined by professional QC before entering into the next working procedure. We separate the deficient products and analyze the causes. Then we put forward amending suggestions and dispose those deficient products.

5. Inspection of finished products.
In order to assure the promise of “no deficient products will leave our factory”, we established the system of complete inspection equipment, advanced inspection measures, professional QC, and quality inspection under the direct management of the general-manager. The inspection center is only responsible to the general-manger and functions independently. So the justness and objectivity is guaranteed. The inspection center functions strictly according to the leaving-factory inspection standard of the products and the standard of sampling. Unqualified products will never leave our factory.

Email: | Contact: Ms. Kate Liu | Address: Dongying city 257000, Shandong, CHINA
Copyright @ 2019 Dongying Dana Precision Metal Co., Ltd.