We have provided more than 10,000 cases of technical services to more than 700 companies around the world, and have gained high recognitions from owners such as PetroChina, Sinopec, China Aerospace, China Shipbuilding Industry Corporation,Towngas, Schlumberger, Abu Dhabi Petroleum, Western Petroleum, etc. and domestic& foreign manufacturers such as CAMERON, EMERSON, Neway, Shenjiang, Viza, Boteli.Fangzheng,Shentong, Linor, Fangyuan, Chongqing Chuanyi, KITZ, Worcester, etc.