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Specifications Rear sprocket: 34T/35T/36T/37T/38T/39T/40T/41T/42T/43T/44T/445T etc.
Front sprocket: 13T/14T/15T/16T/17T etc
415,420,428,428H,520 etc
Material A3# steel(SAE Q235), 45# steel(SAE Q345B) ect.
Surface finishing,Sandblasting, Dull polish, galvanization,Polishing,Chrome plating, Painting,with the circle line in the surface or as your requirement.
Heat treatment High frequency quenching and carburizating. |
| Company: |
Hebei Renqiu Jinglian Group Co., Ltd.
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| Contact: |
Mr. kevin loo |
| Address: |
Hebei Renqiu dock North East Industrial Zone |
| Postcode: |
062557 |
| Tel: |
0086:0317-3313688 |
| Fax: |
00860317-3313691 |
| E-mail: |
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