Oilfield Products, Drill Rig, Petroleum Equipment manufacturer / supplier in China, offering API Certified CD Cdz Center Latch Drill Pipe Elevator 500-Ton, API-Certified Koomey Bop Control System Reliable Wellhead Safety for Oilfield Operations, API 7K Hydraulic Power Tong Zq203-100 Kht5500 Fits 2-3/8" to 5-1/2" Pipe and so on.