WINSCHEN: Your Trusted Global Partner for Heavy Machinery Parts
Our Heritage & Infrastructure
Founded in 2006 and headquartered in Guangzhou, China, Guangzhou Tongtian Machinery Parts Co., Ltd. has grown into a leading supplier of premium aftermarket heavy machinery spare parts. We operate from a massive 1,800-square-meter integrated facility that perfectly combines our corporate offices and fulfillment warehouse.
Our 1,800-square-meter fulfillment warehouse
Our dedicated operations team in Guangzhou
Backed by a dedicated team of 18 industry professionals, our streamlined “office-to-warehouse” model ensures lightning-fast order processing, rigorous quality control, and zero communication barriers. When you work with us, you are dealing directly with the source.
Our Proprietary Brands & Core Categories
As the proud owner of the WINSCHEN and KOMAI brands, we don’t just sell parts; we stand behind their quality. Our core product lines include:
- Premium Seals & Seal Kits: Engineered for extreme pressure, durability, and exact fitment.
- High-Efficiency Filters: Protecting your engine and hydraulic systems in the harshest environments.
Broad Compatibility, Exact Fitment
We supply high-performance replacement parts for a comprehensive range of heavy equipment, including Excavators, Loaders, Backhoe Loaders, Wheel Loaders, Mining Trucks, Motor Graders, Asphalt Pavers, Forklifts, and Dump Trucks.
Based on official catalog data, our parts are expertly engineered to service the systems of the world’s leading brands: John Deere, Case, Caterpillar, Komatsu, Volvo, Hyundai, Doosan / Daewoo / Develon, Hitachi, New Holland, Kobelco, Sumitomo, Kubota, Bobcat, and JCB. Whether you need a specific Case D47204 oil seal or a complete rebuild kit for a 2021 Komatsu PC88MR-11, our experts ensure 100% compatibility.
Partner With Us Today
Whether you are maintaining a single machine or managing a massive fleet, our ready-to-ship inventory ensures your downtime is minimized. Every part is meticulously checked and packed before leaving our facility.
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