... OEM SERVICE 1.We are manufacturer and exporter in Dalian,China,specialized in casting and machining, stamping,welding parts. We ... . Vessel parts etc.. 2.Product instruction: • Material:grey iron,ductile iron,steel casting,stainless steel, • Process:sand casting,precision/investment ... Service • Small order accepted 5.If you are interested in or in the market for our products, we welcome to visit us ...