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Shanghai Hilong Drill Pipe Co., Ltd. (No. 1825-1, Luodong Road, Baoshan District, Shanghai, China);Nantong Hilong Steel Tube Co., Ltd. (Xinghong Town, Sanchang Town, Haimen City, Jiangsu Province, China); Shanghai Tube-Cote Petroleum Pipe Coating Co., Ltd. (No. 669 Jinle Road, Yuepu Industrial Zone, Baoshan District, Shanghai 200941, China)
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12,30
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Shengli Oil Field Freet Petroleum Equipment Co., Ltd. (No. 203, Nanyi Road, Dongying District, Dongying City, Shandong Province, China); Shengli Oil Field Freet Petroleum Steel Pipe Co., Ltd. (Shengli Industrial Zone, Nan'er Road, Dong Ying City, Shandong Province, 257082, China); Jiangsu ChangBao Steel Tube Limited Co. (No. 558, Yanling Dong Road, Changzhou City, Jiangsu Province, China); Jiangsu ChangBao Precision Steel Tube Co., Ltd. (Jinwu Road No. 88, Jintan, Jiangsu Province, China); Shandong Molong Petroleum Machinery Co, Ltd. (No. 999, WenSheng Street, Shouguang City, Shandong Province, China); Shandong Weima Equipment Science & Technology Corporation Limited (No. 5 Fuqian Street, Dongying Economic Development Zone, Dongying City, Shandong Province, China); Tianjin Tiangang Special Petroleum Pipe Manufacture Co, Ltd. (Jinnan Development Zone (ShuangGang), Tianjin City, China); TianJin BinHai TianCheng Drill Equipment Co, Ltd. (Jinnan Development Zone (East Zone), Tianjin City, China); Dalipal Pipe Company (Gong Nong Road, Cangzhou City, Hebei Province, 061000, China); Anhui Tianda Oil Pipe Company Limited (Zhengxing Road, Tongcheng Town, Tianchang City, Anhui Province China); Pan Gang Group Chengdu Steel & Vanadium Co., Ltd. (Tuanjie Nanlu 268, Qingbaijiang District, Chengdu, Sichuan, China); Baoji Petroleum Steel Pipe Co., Ltd. (No. 1, Binhe Road, Baoji City, Shaanxi Province, China)
Shengli Oil Field Freet Petroleum Equipment Co., Ltd. (No. 203, Nanyi Road, Dongying District, Dongying City, Shandong Province, China);Shengli Oil Field FreetPetroleum Steel Pipe Co., Ltd. (Shengli Industrial Zone, Nan’er Road, Dong Ying City, Shandong Province, 257082, China);Jiangsu ChangBao Steel Tube Limited Co. (No. 558, Yanling Dong Road, Changzhou City, Jiangsu Province, China);
Jiangsu ChangBao Precision Steel Tube Co., Ltd. (Jinwu Road No. 88,Jintan, Jiangsu Province, China);
Shandong Molong Petroleum Machinery Co., Ltd. (No. 999,WenSheng Street, Shouguang City, Shandong Province, China);
Dongying Weima Petroleum Drilling Tools Co., Ltd. (East of Quzhou Road, North of Fuqian Street, Economic Development Zone, Dongying City, Shandong Province, China);
Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd. (Jinnan Development Zone (ShuangGang), Tianjin City, China);TianJinBinHaiTianCheng Drill Equipment Co., Ltd. (Jinnan Development Zone (East Zone), Tianjin City, China); Dalipal Pipe Company (Gong Nong Road, Cangzhou City, Hebei Province, 061000, China); Anhui Tianda Oil Pipe Company Limited (Zhengxing Road, Tongcheng Town, Tianchang City, Anhui Province China);
Pan Gang Group Chengdu Steel & Vanadium Co., Ltd. (Tuanjie Nanlu 268, Qingbaijiang District, Chengdu, Sichuan, Сhina);
Baoji Petroleum Steel Pipe Co., Ltd. (No. 1,Binhe Road, Baoji City, Shaanxi Province, China)
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23,18
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