... samplesCompany Profile1.Our company specializing in the production of PVC tube, PVC conduit, PVC conduit, garden water pipe, air ducts, gas ... , auto water pipe, QiCheLian over, feed, transparent pipe, PVC tube, EVA/PU strengthen spring tubes.2.Mainly exporting to ... by SGS certification and already Intertek environmental authentication.3.New PVC materials, products and strong, water-proof layer, non- ...