China 208‑30‑00464 Manufacturer, Supplier, Factory

At Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd., we supply Carrier Roller for Hitachi ZX240-3 9234984 made from forged 40Mn2 boron steel with OEM-level machining and lifetime-sealed lubrication. Based on proven undercarriage engineering standards, this product ensures stable track guidance, reduced vibration, and longer service life for heavy-duty excavators. Factory-direct supply supports bulk orders, OEM customization, and fast global delivery for dealers and fleet operators.

As a professional manufacturer and factory supplier in China, Quanzhou Qiansheng Heavy Industry provides premium Idler for Hitachi ZX200-5 9303011 with strict ISO and CE certified production. Made of high-strength alloy steel with deep heat treatment, this front idler perfectly fits Hitachi ZX200-5 excavator, stable in track alignment, anti-wear and anti-crack. Compared with ordinary aftermarket parts, ours features sealed lifelong lubrication, 2000+ working hours lifespan, factory direct wholesale, OEM customization and global after-sales support for bulk procurement.

As a professional manufacturer and factory supplier of construction machinery undercarriage parts, Quanzhou Qiansheng Heavy Industry provides premium Excavator Connecting Rod for Hitachi ZX200-3 8074315 with reinforced steel structure and 4-axis CNC precision processing. Compared with ordinary aftermarket parts, our 8074315 connecting rod features induction-hardened pivot points and optimized grease grooves, effectively avoiding bending, pin hole deformation and hydraulic cylinder damage. It perfectly fits Hitachi ZX200-3 20-ton excavator, stable for mining, quarry and heavy construction sites, supporting factory wholesale, OEM customization and global direct supply.

Carrier Roller for Volvo EC290B 1181-01011 – Is your 29-ton excavator eating through cheap cast rollers every few months? Qiansheng Heavy Industry delivers a factory-direct solution forged from solid boron steel, not porous castings. Unlike standard rollers that crack under heavy loads, our 1181-01011 carrier roller features a 52-58 HRC hardened tread and lifetime floating oil seals to eliminate daily greasing. Order today and get a 1-year warranty backed by our ISO 9001-certified Chinese facility. Request a sample and test the difference on your quarry site before bulk purchase.

As a professional undercarriage parts manufacturer, Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. supplies durable Idler for D8R 244-0879 solutions for mining, quarry, and heavy earthmoving applications. Built with reinforced alloy steel structure, deep heat treatment, and strict leak-proof sealing technology, our Qiansheng idler helps reduce unexpected downtime and improves track stability under severe working conditions. Factory-direct supply, OEM customization, and fast global delivery are available for distributors, contractors, and equipment fleet buyers.