Shanxi Fenglei Drilling Tools Co., Ltd (SFDT) is the leader of drill stem technology and drill string components, which is granted API Spec.7, 7-1, 7-2, ISO 9001, ISO 14001 and ISO 18000 certificates. The company was founded in 1968 and has been manufacturing the top quality drill collar, integral heavy wall drill pipe and kelly since 1978. Its welded (heavy weight) drill pipe production line was put into production in 2003. ……


Quality Assurance

No matter when and where, the performance of the drill pipe is a critical factor to the drilling process. In order to control the quality during all manufacturing process ……

Technical Assistance and service

SFDT regards the customers which purchases SFDT’s products as our strategic coperation partners. In order to win the mutual progress and harmonious relationship, SFDT solemn confirms to supply the long-term technical assistance ……


Copyright: Shanxi Fenglei Drilling Tools Co., Ltd ©2009-2020
Technical Assistance: Haishuo Technical Co., Ltd
快乐双彩基本走势图 30选5今天开奖结果53期 秒速时时彩计划专业版 今日大盘指数上证指数 快乐十分任五中四多钱 天津快乐十分走势图彩经网 炒股入门的书 北京快乐8稳赚选一技巧 澳门博彩nba 吉林快三什么时候放假 最准一肖三码必中特