ZHZB | Integrated Factory & Trade, One-stop Solutions for Construction Machinery Bearings and Spare Parts

Many global buyers struggle with markup from middlemen, unstable quality, unavailable custom service and unpredictable lead time when sourcing construction machinery spare parts. As an integrated manufacturer & exporter, ZHZB runs our own production workshop and professional foreign trade team. We cover the whole workflow from R&D, manufacturing, quality inspection, warehousing to shipment. We serve OEM manufacturers, spare parts wholesalers, repair workshops and overseas traders. Our parts fit Komatsu, Caterpillar, Volvo, Hyundai, Sany, XCMG, LiuGong, Kobelco, Doosan, JCB and other mainstream construction machinery brands.

Supported by our in-house production capacity, we supply swing bearings, travel bearings, roller bearings, steel cage bearings, as well as hydraulic pump parts, relays, ECU boards, engine spare parts and other wear components. Standard items are kept in stock and matched quickly by OEM numbers. For heavy-duty, shock-loaded, dusty and high-temperature site conditions, we accept custom bearing orders directly from our factory. Raw material, heat treatment and final inspection are controlled internally. Without extra middle links, we deliver reliable quality at competitive factory prices.

Beyond manufacturing, we provide practical technical solutions. When you face early bearing failure, abnormal noise, overheating or swing gearbox leakage, our factory engineers analyze working load and installation conditions. We offer alternative part recommendations, installation and lubrication guidance, to extend service life and cut machine downtime and repair cost.

Our complete foreign trade service complements our manufacturing strength. We prepare PI,  packing list and other customs documents. EXW, FOB, DDP and all common trade terms are available. We handle sample orders, bulk orders and full container shipments via sea, air or courier. inventory plan with flexible partial shipment to reduce capital pressure.

From drawing confirmation, production and factory testing to logistics and after-sales support, we communicate directly with you. There is no multi-layer reseller between us. After delivery, our team remains available for technical consultation and fast claim handling. When you work with ZHZB, you cooperate with the source factory. You gain both manufacturing customization capability and full-set export service, streamline your purchasing and control total cost for long-term win-win cooperation.