Welcome to the website of Shandong Dezheng Steel Co., Ltd.
Quality Assurance
2025-10-07
Management System
Shandong Dezheng steel co., Ltd has been granted the ISO9001 certificate for quality management system ,the certificate of ISO 14001 Environment management system and the certificate of GB/T28001 for Occupation health safety management .
The pipe products have got the certificates of API-5L and API-5CT issued by American Petroleum Institute .
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Factory add:NO.778,Daqu village ,Guangping township,Dongchangfu DisrictLiaocheng city ,Shandong province
Head Office : Room 1601-1604, Building 7, Xingguang Financial Center, Liaocheng Development Zone ,Shandong,China .
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