Tapered Rubber Bop Packing Element Unit 13 5/8" Bop Packing Element is made up of synthetic rubber formulation and is geometrically designed for ... 자세히보기
Oilfield Accumulator Unit Drilling API Bop Koomey Unit Bop Oilfield Accumulator Unitis special equipment, which is used to control BOP, hydraulic ... 자세히보기