We are a factory specialized in producing high-quality gearbox and accessories for Caterpillar E305.5 Excavator. Our products include SWING GEAR BOX, Reduction Gearbox, Planetary Gear set, SUN-GEAR, and Ring gear Assembly. Our team of experienced engineers ensures that the products we produce are of the highest standard possible. We also use only the best materials available to ensure that our products are durable and long-lasting. Our commitment to quality is our top priority, and we work hard to achieve this in every product we produce.