... for wind power energy. Certificate of CCS, ABS, LR, GL, BV, and DNV on requirement. We have factory that is specialized in ... of forging parts such as long shaft, hollow shaft, roller. And, our spindle of wind power station is well know in ... make the forging parts and machining as well.The certificat from CCS (China), ABS (USA), LR (GB), GL (Gemany), BV (France), DNV ...