Hengshui Yitong Metal Products Co., Ltd is professional corrugated culvert pipes manufacturer, was founded in 1998, 600 employees. After 14 years growth, Hengshui Yitong Metal Products 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 includes 4 types culvert pipes and irregular-shaped pipes, annual capacity is 500,000 meters, the company obtained ISO9000 quality and ISO 14000 certificates, we can produce American and European standard products according to the...[more]
Hengshui Yitong Metal Products Co., Ltd is professional corrugated culvert pipes manufacturer, was founded in 1998, 600 employees. After 14 years growth, Hengshui Yitong Metal Products 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 includes 4 types culvert pipes and irregular-shaped pipes, annual capacity is 500,000 meters, the company obtained ISO9000 quality and ISO 14000 certificates, we can produce American and European standard products according to the...[more]
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