Api 5L Pipe,Api 5L Steel Pipe,Api Spec 5L,API 5L Line Pipes TIANJIN YOUFA STEEL CO., LTD , https://www.cnyoufasteel.comAccording to the official website of Shaoxing City Bureau of Quality and Technical Supervision, in the fourth quarter, according to the “Product Quality Law of the People's Republic of China†and the “Regulations on Product Quality Supervision of Zhejiang Provinceâ€, the Shaoxing Quality and Technology Supervision Bureau organized and conducted the city's dry box product quality supervision and spot checks. A total of 6 batches of dry box products from 6 companies in Shangyu district and Paojiang industrial district were sampled, and 0 batches were rejected, and the batch failure rate was 0.