Profile: Dongying Haihe Machinery Co,.Ltd is a casting company. We manufacture investment castings, lost wax castings and precision castings. We mainly produce stainless steel castings, carbon steel casting and alloy casting. We are an ISO 9001:2000 certified company. Our products include all kinds of flanges, valves, marine hardware, construction hardware, house hardware, automobile part, motorcycle part, hinge, devices for hydraulic press & oil extraction, and cross fitting. We supply a broad range of stainless steel precision castings such as stainless steel valve, fitting, hardware, impeller, and golf head.