we can offer high quality products, competitive price and best customer service. Our destination is "You come here with difficulty and we give you a smile to take away" for flange face screw,stainless steel ,outer hexagon drill tail screw, , , ,. Safety as a result of innovation is our promise to each other. The product will supply to all over the world, such as Europe, America, Australia,Lithuania, Bhutan,luzern, Iran.The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.