Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
A certification is worth a thousand words. For threeway, supplier of ERW steel pipe and seamless types pipelines, it would be an honor to the the certificate of authority to use the official API monogram license for API-5L steel pipes.
There is a concise picture showing us the details about the certification. It ranges from the products we can provide and the time range from 2018 to 2021. Of course, as manufacturer of steel tubes, we have professional makers to produce these steel pipes for customers. And there is basic safe guarantee once they use steel pipes for water transportation, or oil and gas transmit. For more details, we are welcome your emails for discussion.