... .different sizes and specifications. 3.fast delivery. Bearing Capacity Spiral GearFirst, export machinery and fittings, annual output 2 million ... 10 million RMB.Third, we are a professional enterprise specilized in producing gears and spiral bevel gears and shafts.Fourth,Gear ... The bevel gear is our feature product and there are spiral-milling machine, lapping machine, and inspection machine, etc.5 ...