Dongying Changhui Precision Metal Co., Ltd. is an integrative supplyer in mould design , investment casting , polising and precision machining. We are specialized in the products made of  stainless steel, carbon steel, alloy steel ect.

We have established the ISO9001Quality Management System .Our culture is innovation , while our purpose is to offer the best products and services for our clients .

1  Certificate:ISO9001:2000 .

2  Material :316SS/304SS

3  Specification: Φ20MM     Φ22MM   Φ25MM 

4  Process:Wax mould design-Wax mould fabrication- Wax injection Combine-Fluid dipping-Dewaxing-Firing-Pouring-Shell removing-Cutting-Hear treatment-Polishing-x-RAY Inspection-Measurement inspection Delivery .

5  Small order accepted .

6  Treatment:Mirror Polished ..

7  Customized samples or designs are available .

8  Various sizes and designs are available .

9  Offering machining service as your requirements or drawings .

I will be very appreciate if I can get your reply.Thank you!

stainless steel top slide