DONGHUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification
We adopt good quality raw material and strict with DIN, ANSI, JIS standard ect, We have professional quality conrol team, complet equipment, advanaced technology. In 1999, Donghua obtained ISO9001 Certificate of Quality Assurance System, besides, the company also devotes itselt o environmental protection, In2002, it also obtained ISO14001 Certificate of Environment Management System.
Motorcycle Chains/Roller Chains
Material: Alloy Steel
Surface Treatment: Shot Peening / Blacking / Blueing
Main Application: Motorcyle
ISO CHAIN NO. PITCH
25H 6.35
25H(E) 63.5
219H 7.774
270H 8.5
219HF1 7.785
T3F 9.525
420 12.7
120F3 12.7
420H 12.7
428 12.7
428H 12.7
428HSH 12.7
428HF1 12.7
428HF4 12.7
428DS 12.7
520 15.875
520F2 15.875
520F3 15.875
520H 15.875
525 15.875
525H 15.875
530SH 15.875
630 19.05
| Product name |
Motorcycle Chains/Roller 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 |
Audited Supplier 
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