天津市北辰区中关村可信产业园B9-1 Address: B9-1, Trustworthy Industrial Park, Zhongguancun, Beichen District, Tianjin
15522233345 Mobile: 15522233345
许宗涛 Contact: Xu Zongtao
High pressure pipe 13
Here are five tips for you:
The first measure, the content of the 20G high-pressure boiler tube quality manual is that it is likely to be false information, because most steel mills now use computers to issue quality manuals.
The second measure, if the entire quality manual of the 20G high-pressure boiler tube is ambiguous or the manufacturer's seal is ambiguous, you should immediately contact the steel plant quality inspection department.
20G高压锅炉管 质量说明书如果有明显改动的痕迹（如收货单位名称、日期、证明书内容等），应该提起注意了，最好立刻与钢厂联系验证。 The third measure, if there are obvious changes in the quality specification of the 20G high-pressure boiler tube (such as the name of the receiving unit, the date, the content of the certificate, etc.), it should be brought to the attention, it is best to contact the steel plant for verification.