Discover our professional gearbox assembly process. Every component is precisely fitted and strictly inspected under standardized procedures. We integrate sophisticated craftsmanship and strict quality control, ensuring each gearbox delivers stable performance, low noise and long service life. Custom OEM & ODM solutions are available for your industrial transmission needs.

Gearboxes are packaged in premium export-grade packaging, ensuring durability and impact resistance to prevent damage during long-distance transportation. All core components are manufactured in-house. With our strong production capabilities, we deliver high-quality gearboxes to customers worldwide on time and in perfect condition.

With a 2,000-square-meter material preparation warehouse, we store various cutting tools, molds, testing tools, and components, ensuring ample inventory. This helps you establish a leading position in the mechanical components industry.

Grangin uses 100% export-grade packaging, which is solid and designed to prevent damage from collisions, ensuring products are delivered to customers smoothly and intact. Equipped with over 150 sets of machinery and equipment, we achieve full-chain independent processing of components, supporting customized production based on provided materials or drawings.

We are equipped with professional testing equipment such as coordinate measuring machines, gear profile testers, and hardness testers. Each product undergoes three manual inspections, resulting in a qualified rate far exceeding the industry average.