Hengshui Yitong Pipe Industry Co.,Ltd. is professional corrugated culvert pipes manufacturer, was founded in 1998, 600 employees. After 14 years of growth, Hengshui Yitong Pipe Industry Co.,Ltd. became the most comprehensive leading corrugated culvert pipes manufacturer. We have more than 30 patents, and are the member unit joined to formulate the state standard,.
Our main products include 4 types culvert pipes and irregular-shaped pipes, annual capacity is 500,000 meters, the co***ny obtained ISO9000 qu...
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