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%.
Click the above picture for more information
Scope/Range:Products and sales of geological drilling tools, cemented carbide products and diamond tools
Issued By:Beijing New Century Inspection & Certification Co.,Ltd
Scope/Range:drill pipe body,tool joint;drill pipe(assembly)
Issued By:American petroleum institute
Scope/Range:Oil Casing Pipe
Issued By:American Petroleum Institute
Scope/Range:Products and sale of geological drilling tools, cemented carbide products and diamond tools
Issued By:Beijing New Century Inspection Co., Ltd.
Contact Person: Mr. Carlyle Gao
Address: No. 8 Changyuan Road, Huishan District, Wuxi City, Jiangsu, China 214174