"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for st44 seamless steel tube, , , ,. Since establishment in the early 1990s, we have set up our sale network in USA, Germany, Asia, and several Middle Eastern countries. We aim to be a top class supplier for worldwide OEM and aftermarket! The product will supply to all over the world, such as Europe, America, Australia,Berlin , Ecuador ,Mexico , Madras .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.