Tianjin Tianjin Runde steel trade Co., Ltd. Is a professional engaged in sales of seamless steel pipe, alloy steel pipe, high-pressure boiler tubes, low and medium pressure boiler pipe, oil cracking tube, oil pipe, oil pipe, seamless pipe, line pipe, square pipe, seamless rectangular tube, large stainless steel products co***ny. Annual sales of Tianjin seamless steel pipe, steel, Baosteel, Hengyang, Baotou, wing, Taiyuan, hung steel, Chengdu and other major manufacturers, stainless steel tube products.
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