Our products
Shandong Zhongse Heavy Industry Co., Ltd. uses high-quality high-density polyethylene as raw material, mainly producing polyethylene double wall bellows (HDPE) (24 models in eight sizes from DN200mm to DN800mm), large diameter HDPE steel belt reinforced polyethylene spiral bellows (DN300mm to DN2400mm), and PE water supply pipes (PE63, PE80, PE100). The HDPE produced by the company is an online double wall expansion, which enhances the compactness and durability of the expansion and is widely used for rainwater and sewage discharge in municipal engineering; Sewage discharge from residential areas; Industrial and mining enterprises' sewage discharge and drainage pipelines; Municipal sewage discharge and rainwater collection; Wire and cable sheath engineering; Ventilation system....