Profile: Hengshui Yitong Pipe Industry Co.,Ltd. is a corrugated culvert pipes manufacturer. Our main products include 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 customers' requirements. As a leading company in corrugated culverts pipes manufacturing, we focus on providing professional service and prompt lead time, producing quality products at competitive price.