Zhejiang 3D Valve Co., Ltd is an enterprises specialized in designing, manufacturing and selling API gate valves, API globe valves, API ball valves, API swing check valves, API filters valves and etc. The company was established in 1980,which covers an building area of 3700 square meters, having 8 technical personals, and more than120 staffs(including Qingtian Sanwei company),having nearly 25 years experiences in producing valves. Now it assembled a group of highly skilled professionals , good equipped machining and testing facilities, perfect quality system, modernized testing center and CAD computer design center, advanced processing. Spare parts are machined by numerical control special machine to ensure the precision of products and replace abilities. Our company is the pop-star enterprises in the regions and the manager also is the excellent enterpriser in 2006. She has got all the approval of the certifying ISO2000, API 6D,CE and AZ by the International Standard Organization. The company insists on blazing new trails constantly on the base of science and technology. At present ,we mainly produce/manufacture "ISO, API, DIN, BS, NF, FIS and GB, JB" standard valves, also special valves according to the requirem ent of clients, with imported facility sets. There are many kinds of body materials, such as WCB, 304,304L, 316,316L,CF8, CF3 ,CF8M,CF3M,F5,F4,C5,LCB,LCC,WC6,WC9,INCOENL600,1Cr12Ni14Mo2Ti,1Cr18Ni9Ti,etc. Sizes are from1/2"to 38", class rating from 150Lb to 2500Lb. The products are widely used in chemical, fertilizer, metallurgical, medicine, power, oil, liquefied gas industry ,and so on. They are sold well all over the world, especially in Middle East, European, America, and etc, more than 10 countries and regions, and they are well appreciated by the user. Sanwei will repay the lindens of all the customers through the supply of highly quality products, reasonable prices and technical support. The only idea occupied in the mind is "All what we do is for the clients". To satisfy the demands of customer, we are pleased to provide them with reliable valve products by using new and advanced technology, excellent machinery, new materials. At any time, all of Sanwei staffs will be glad to serve and find optimum solution for you.

API swing check valves,API ball valves,API gate valves,API globe valves,API filters valves