?硡????0635??2189598
???????13396220692??17862525099??17862512888??18963580692
?????2418524989@qq.com
??????????????????
??????????????и??????????????66??
????Q345qD?????????????????????????????????????????г??????????????????????????????;????????????????
?г????????????????г??????????????????????????????????????????????????????
????????????????????????????????????????????????????????????????????????????
??????????????????????
???????????????????
10??2000??8000+ 70??
10??2000??8000+ 76??
10??2000??8000+ 70??
4??1500??8000+ 21??
10??2000??8000+ 70??
4??1500??800035??
4??1500??8000+ 80??
8??1800??8000+ 70??
6??1800??8000+ 80??
Q345qD??????????????????
????
?????????????MPa 345-305 ????????????bMPa 510-490???????5%??21??
Q345QC???????????Q345QC??????
??????
??????????????????????????????????????е?????????????
???????? ???????лл ?? ????? ?????Q345qD???????????
??????·??60mm???Q345qD????????????????
??????? /Pro
??????? /CONTACT
?????????????????????????????????????????????????????????????????????????????????????????????????????
COPYRIGHT ?????????????????? ????????ICP??2021038300?? ???????????????