发布时间:2019-05-31点击次数:811
The high-strength (12.9 grade) and special-shaped fastener technical transformation project of the 10,000-ton automobile with the annual output of 10,000 tons of Seiko Seiko (Jiaxing) Co., Ltd. EIA document publicity
稿3 合克萨斯年产10000吨高强度紧固件技术改造项目.pdf