Founded in 1984, SKY-E is the first thread-protector manufacturer in China. Since 1997, SKY-E invested in INSERT manufacturing for OCTG threading.

With the history of more than 20 years, SKY-E is the best and biggest thread protector supplier in China with the capacity of 10,000,000 sets/year. Equipped with the most integrated laboratory, including super-low temperature test, impact test, stripping test, etc., SKY-E has been keeping especially strict quality assurance system to ensure its excellent product quality. SKY-E's product line covers all API threads, as well as premium threads according to customer's requirement. For all thread protectors, the latest edition of API 5CT/ISO 11960 standard is followed.

SKY-E has been qualified by most premium connection licensors. SKY-E also manufactures DRILLTECs protectors under Drilltec's license. Top quality protectors with competitive price can always be expected from SKY-E.

INSERT is the other main product of SKY-E. With strong technical capability, advanced process and equipments, SKY-E is one of the best and biggest insert suppliers in China. The inserts covers API threads and premium threads, and the annual capacity is 800,000 pieces.

The major domestic customers include BAOSTEEL, TPCO, Chengdu Seamless, Hengyang Steel, WSP, Cangzhou Dalipal, Baoji Oil Tubes, ANSTEEL, Shengli Gaoyuan Group, Daqing Oilfield, Xinjiang Oilfield, Tuha Oilfield, etc. The oversea customers include voestalpine Tubulars, Vallourec & Mannesmann, Tenaris Group, NKKT, Lone Star, KHI Japan, Airtrust, Bentech, etc.

SKY-E has been investing continuously to strengthen the human resource and operation management, so that to greatly improve the quality assurance system. In 1998 SKY-E obtained the certificate of ISO-9002 and in year 2003 SKY-E was certified by the new edition of ISO-9001.

With her strong team and capability of research and development, SKY-E wins by technology, quality and service, and has a especially high position and reputation in the OCTG industry. The excellent staff have been enjoying the healthy and harmonious working environment.