Yiqin Trade Oil & Gas Equipment Co., Ltd. (as“iTHK”) was registered at Beijing in 1996 , it was engaged in oil and gas equipments more than twenty years, we introduction of state-of-the-art technology and product used in petrochemical industry, including high alloy steel/stainless tubes, plates, special valve for S-zorb, advanced insulation material, complete equipment and project management software. At the same time, iTHK cooperate with R&D organization co-development application of porous sinter metal products, including customized filter system, filter elements and sintered porous surface tubes with composite powder in heat exchangers. We always focus on and participate in the new technology, solution and application in market.