China Customized CNC Machining Cast Iron Heavy Duty Ductile Iron Manhole Cover

**What we can do?**
Qingdao Botai Auto arts Co., Ltd. is a modernindustrialmanufacturermainly engaged inthe production ofparts required for automobiles, trucks, machine tools, trains and other mechanical equipment. We have a variety of casting processes such as Iron based coated sand, Coated sand, Coated sand, Clay sand, Resin sand, investment casting, lost-foam casting, negative pressure casting, etc. At the same time, we have a complete modern production line from raw material melting to finished product.