
Precision Engine Timing Chains (Roller & Silent) for Automotive Drives | Donghua
Donghua's engine timing chains are precision-engineered to synchronize camshaft and crankshaft rotation in the most demanding automotive, motorcycle, and industrial engines. Our portfolio includes both roller timing chains and silent timing chains (toothed chains), manufactured from high-grade alloy steel and subjected to rigorous heat treatment and shot peening for maximum fatigue resistance and longevity. As a global leader in chain manufacturing since 1991, we provide the reliability that modern engines demand.
Product Details
| Product name | Engine Mechanism Chain(Timing Chains) |
| Materials Available | 1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420 |
| 2. Steel:C45(K1045), C46(K1046),C20 | |
| 3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40) | |
| 4. Bronze: C51000, C52100, C54400, etc | |
| 5. Iron: 1213, 12L14,1215 | |
| 6. Aluminum: Al6061, Al6063 | |
| 7.OEM according to your request | |
| Surface Treatment | Annealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, znic plating,yellow passivation, gold passivation, satin, Black surface painted etc. |
| Products Available | sprockt chains, pulley, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels gear rack) bearing, bearing seat, bushing, coupling, lock assembly etc. |
| Processing Method | CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly |
| QC : | Technicians self-check in production,final-check before package by professional Quality inspector |
| Size | Drawings |
| Package | Wooden Case/Container and pallet, or as per customized specifications |
| Certificate | ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009 |
| Advantage | Quality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipment |
| Lead Time | 15-25days samples. 30-45days offcial order |
Precision Manufacturing for Demanding Applications

The reliability of an engine depends on the precision of its timing chain. At Donghua, our manufacturing process is built on this principle:
Superior Materials: We start with raw materials that meet exacting standards for metal grade and alloy content, minimizing impurities that can impact tensile and fatigue strength.
Precision Components: Every pin, bushing, and link plate is designed and manufactured to exacting dimensional standards. Precision-ground pins and solid, cold-forged rollers and bushings work in concert to maximize bearing area and improve fatigue life.
Enhanced Fatigue Strength: We shot peen our link plates to add a layer of compressive stress, helping components resist failure from repeated high loads.
Optimized Bearing Surfaces: Through processes like ballizing (pressing balls through pitch holes), we optimize the bearing contact between pins, bushings, and link plates, increasing fatigue resistance and pin retention.
Quality Certified: Our facilities are certified to ISO/TS 16949, the global standard for automotive quality management systems, ensuring every chain meets the industry's highest requirements."








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