国产直播自拍自产在线电影_色天天激情网_超级碰99_老司机福利天堂_一本一道久久综合狠狠躁_大香蕉之在线看_免费专区——色哟哟_香蕉久久av一区二区三区_亚洲免费TV_本田岬在线视频_Chinese久久_人妻无码AV_精品在线蜜臀_国产无码啪啪啪_亚洲AV无码成人毛片一级网站

To develop high-precision machine tools, mold accuracy must

To develop high-precision machine tools, mold accuracy must

The manufacturing industry is developing faster and faster, the precision requirements of the products are improved, and the product parts are more miniaturized. Therefore, the requirements of the foundry for the molds are getting higher and...
Jiangsu Hudong Machinery Casting 2019 started!

Jiangsu Hudong Machinery Casting 2019 started!

On February 16,2019,all employees of Jiangsu Hudong Machinery Casting Co., Ltd. spent a full and cheerful Spring Festival holiday and are now returning to work normally.Thanks to all the staff for their hard work in 2018,I also hope that...
  • 12條記錄

Copyright 2019-2020 HuDongZhuzao.com Jiangsu Hudong Machinery Casting Co., Ltd. All rights reserved????