• Yantai Yunsheng Petroleum Machine Fittings Co.,Ltd.

  The sucker rod couplings are manufactured from high quality Carbon steel AISI 5I40 or 4135 in accordence with API Spec 11B standard, including class SM coupling, T coupling and Sub coupling. Full Size Slim Hole avaliable. ...

  Telephone：86 - 0535 - 6895036Address：Dongxing Road,Shengquan Industrial Park Yantai Shandong 264003 China

• Yueqing Master Electrical Co., Ltd.

  Masterele Co., Ltd is a manufacturer specialized in Load Center&＃39;s(Distribution board & Consumer unit) Water Proof Enclosure&＃39;sdesigning making, which widely used residential, commercialcenter and production place for lighting control. After more than 10 years development, ...

  Telephone： 0086-577-62797760Address：F6, Keaisi Co., Xiangyang Industrial Zone