简介：Liaocheng Tongyun Pipe Industry Co.,ltd is a group company which including technology R & D, manufacturing, domestic sales and exporting. We has been serving the steel industry since 2001 as North China"s largest and most advanced cold drawn & hot rolled seamless pipes manufacturer. Recently years except the raw pipes we also produce other connected tubular products and have an annual tubular products capacity of 320,000 tons. Driven by customer relationships and innovative research, tongyun pipe meets your exacting requirements with value-added personal service.
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