On March 24, 2021, the third-party inspectors entrusted by the German customer conducted a detailed test on the drill pipe produced by the company. The test lasted for two days, and the final test results showed that all the tested products were qualified
On March 24, 2021, the third-party inspectors entrusted by the German customer conducted a detailed test on the drill pipe produced by the company. The test lasted for two days, and the final test results showed that all the tested products were qualified