1. Tube process
2. Material grade: GCr15
3. Black ring
4. Supplying to domestic customer (NRB)
5. Use on automobile
Company:xinchang xunda machinery Co.,ltd
2. Material grade: GCr15
3. Black ring
4. Supplying to domestic customer (NRB)
5. Use on automobile
Company:xinchang xunda machinery Co.,ltd