热镀锌波纹涵管 涵管厂家 热镀锌涵管 管涵厂家 热镀锌 广西云贵

Address: Binhu New District, Hengshui
Specially supply corrugated pipes, threaded pipes, passive protective nets, active protective nets, and assembled culverts.
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The application of corrugated steel Guanhan metal corrugated pipe metal corrugated Guanhan on highway
1, before the construction of the culvert, prepare relevant data, personnel and equipment to appear, and do a good job of safety protection during the construction, to protect the roadbed slope fence protection, to avoid stones and other objects to hurt people.