"Based on domestic market and expand overseas business" is our development strategy for Gas Purge, process piping, Clean Room Pass Window, Sandwich Panel Clean Room,Room Exhaust System. All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Singapore, Salt Lake City,Mexico, Mali.We strive for excellence, constant improvement and innovation, is committed to make us the "customer trust" and the "first choice of engineering machinery accessories brand" suppliers. Choose us, sharing a win-win situation!