Hot-dip steel pipe 187 3189 4391 is my company's leading product 163 has been selling in Beijing, using @ Nano anti-corrosion new material hot-dip steel pipe 126 using Japanese advanced equipment and hot dip process hot-dip steel pipe to achieve inside and outside the qq steel pipe 010 anti-corrosion of a new generation of anti-corrosion pipelines, products This product has been sold to Beijing, Shanghai, Guangzhou, Nanjing, Xi'an, Dalian, Chongqing, Xinjiang and other regions...
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