... for various cars, trucks, buses, tractors, and trailers2) Spur gears, bevel gears, helical gears, worm gears, face gears, gear levels3) Standards: ASTM, DIN, EN, BS, JIS, ISOa1 ... services worldwide.2, Our quality GEAR products including spur gears, bevel gears, helical gears, wormgears, face gears and gear levels, are widely used in such fields ...