Jiangsu China Empire Offshore Engineering Equipment Manufacture Co., Ltd 苏ICP备11052371号
A national standard approved by the pressure labeling committee.
National standard notice of the People's Republic of China (no. 23 of 2017)
1 national standard approved by the pressure labeling committee: GB/T 30475.4-2017 "compressed air filter test method: part 4: water"
The release date is 2017-09-29 and the implementation date is 2018-04-01.