Top Drive Ibop Washpipe Packer Service Loop manufacturer / supplier in China, offering Dq20-B 150 Ton Top Drive Drilling System (TDS) for Max 2000m Oil Gas Drilling Rigs and Workover Rigs with 360° Rotating Link Adaptor, Dq50-Bq 350 Ton / 800kw Power Top Drive with Complete VFD House and Service Loop and Guide Rail for Max 5000m Land Rigs and Workover Rigs, Dq30-Bq 200ton Load Top Drive Drilling System (TDS) for Max 3000m Oil Gas Drilling Rigs and Workover Rigs with 290kw Variable Frequency Drive Motor and so on.