BC series heavy-duty gearbox is is a right angle shaft heavy load industrial gearbox designed as hard teethface ... -duty gearboxBC series heavy-duty industrial gearbox is a right angle shaft heavy load industrial gearbox designed as hard teethface ... in heavy industrial fields, such as mine, petrochemical, electric power, metallurgy etc.BC series heavy-duty industrial gearboxTransmission stageBC1 (ratio ...