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The coil of products have three grades:
1. The coil of product for Grade A is copper wire.
2. The coil of product for Grade B is copper wire and aluminum wire.
3. The coil of product for Grade C is aluminum wire.
We have a very strong R&D team to develop all kinds of motorcycle parts with customerss requirement. It will be better if you can supply the sample or photo. Jiantai is one of professional manufacturers of motorcycle parts in Chongqing. We built a very good quality image.