Our company, Fuzhou Guosheng Metal Works Co., Ltd., came from Taiwan in 1989, products we manufacture and export include: 1. Cam & Groove Quick Couplings with material of Stainless Steel 316, Bronze, Brass, Aluminum, Polypropylene. 2. Valves: With materials of stainless & Carbon Steel, cast Iron, Brass, etc. 3. Stainless & Carbon Steel Casting, Machining. (O.E.M) We have set up two factories, one is in Wenzhou, Zhejiang province, with about 300 staff, the other factory is in Xiangfang, Hubei province, the staff total about 900 in this factory. We have professional experience in this field for more than 20 years, all of our employee are skillful, with good sense of quality assurance and high spirit of research and development, we are able to make excellent goods and offer best service to you. We maintain strict quality control standard for all of our products, from materials, processing to finished goods, which satisfy the customers who require exact standards. Our products are exported to North America, Europe and other countries and regions and have earned a remarkable reputation in this field. We insist on good quality, reasonable price and prompt delivery. If you are interested in our products, please feel free to contact us.