1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.
2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.
3. Our outsourcing products will also be strictly examined before utilization.
4. Our sampling rate for final products is higher than 30%.
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Standard:API Number:5DP-0157 Issue Date:2016-05-10 Expiry Date:2020-05-10 Scope/Range:drill pipe body,tool joint;drill pipe(assembly) Issued By:American petroleum institute |
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Standard:API-5CT Number:5CT-2027 Issue Date:2019-08-20 Expiry Date:2022-08-20 Scope/Range:Oil Casing Pipe Issued By:American Petroleum Institute |
Contact Person: Mr. Carlyle Gao
Tel: +86-18851513960
Fax: 86--18851513960
Address: No. 8 Changyuan Road, Huishan District, Wuxi City, Jiangsu, China 214174