Langfang sheng fu valve Co., LTD. is a professional production enterprise 

specializing in casting and processing, we have an annual output of 6500 

tons of various ductile casting, grey iron castings of the comprehensive 

production capacity, and can undertake all kinds of ductile iron and gray iron 

casting foundry and processing business. The company covers an area of 

20000 square meters, construction area of 13000 square meters. Company 

has a foundry workshop, a form workshop and a machining workshop.