Company Details
Zhangjiakou Xiandai Petroleum Drill Tools Co,. LTD.
Zhangjiakou Xiandai Petroleum Drill Tools Co,. LTD.
Pullback Swivels,Hdd Pullback Swivel,Alloy Steel Pullback Swivels
It's made from heat-treat and alloy steel , the special alloy bearing and high quality sealing make it can deal with extreme pulling force and overloading of its capacity which making it standing very rough conditions