形: | 他の |
包装
包装: | 木製のパッケージ |
1) diameter of rings: ≤1,600mm; length: ≤1,500mm 2) Per piece ≤15MT 3) Process: forgings, forged hardening, machinery cutting, rough cutting and tempering 4) According to national standards such as GB/T6402-91, JB4730-2000, JB4726-2000, JB4727-2000, JB4728-2000 and JB/75000.8.1998