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BPM_Beijing Petroleum Machinery Top drive modelsBeijing Petroleum Machinery | BPM Top drive model 1) DQ1 20BSC (1000t, AC variable frequency drive) 2) DQ90BCD (750t high torque, AC variable frequency drive) 3) DQ90BSC (750t, AC variable frequency drive) 4) DQ80BSC (650t, AC variable frequency drive) 5) DQ70BSD (500t high torque, AC variable frequency drive) 6) DQ70BSC (500t, AC variable frequency drive) 7) DQ70BSE (500t, AC variable frequency drive) 8) DQ70BSH (500t, AC variable frequency drive, ring back clamp) 9) DQ50BC (350t, AC variable frequency drive) 10) DQ40BC (250t, AC variable frequency drive) 11) DQ40BCQ (250t, AC variable frequency drive, lightweight) 12) DQ40Y (250t, hydraulic drive) 13) DQ30Y (1 90t, hydraulic drive) |