News
-
19
October 2020
Jcc123
Definition of the type of clean pipe defect.
Depending on the phenomenon, the type of clean pipe defect can be defined as follows: Inner hole pits (processing defects, material defects) Outer wall pits (processing defects, material defects)
Read more -
19
October 2020
Jcc123
Statistical reference for oil-pulled steel pipe roughness test data.
Steel pipe size tolerance table. 外径公差
Read more -
19
October 2020
Jcc123
The company's previous exhibition site.
1. 2017年SEMICON CHINA 2018年SEMICON CHINA 2019年SEMICON CHINA2020年SEMICON CHINA
Read more
