甯波市鄞州橫溪甬聯緊固件廠
甯波市鄞州橫溪甬聯緊固件廠
Ningbo Yinzhou Hengxi Yonglian Fastener Factory
半圓頭腰狀頸軌道用螺栓 (ASME B 18.10 - 2006 (R2016))
材料 碳鋼