Dongying Wahsen Metal Products Co.,Ltd founded in 2002.We specialize in manufacturing clamp,pipe fitting,pump,valve,machinery accessories,flange,auto parts in material stainless steel,alloy steel and carbon steel for many years. According to the customers?drawings or samples,we can supply ?one-stop-service?from products verifying,designing,technics finalizing to products machining.The products development period is about 4-8 weeks. 100 percent products have been exported to many foreign countries.And the products?rejected rate is less than 0.03 percent.