Dayu Water Saving Group Co., Ltd. was established in 1999. It is a national high-tech enterprise based on the Chinese Academy of Water Sciences, the Science and Technology Promotion Center of the Ministry of Water Resources, the Chinese Academy of Sciences, the Chinese Academy of Engineering and other scientific research institutions. Listed on the Growth Enterprise Market. Stock code: 300021. The company has been established for 20 years and has always focused and dedicated itself to the solution and service of agriculture, rural areas and water resources. It has developed into a collection of agricultural water saving, urban and rural water supply, sewage treatment, smart water affairs, water system connection, water ecological management and restoration and other fields. A professional system solution provider for the entire industry chain integrating project planning, design, investment, construction, operation, management and maintenance services. It is the industry's first in the field of agricultural water saving in China and a global leader.
High-density polyethylene, the English name is "High Density Polyethylene", or "HDPE" for short. HDPE is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and the thin section is translucent to a certain extent. PE has excellent resistance to most domestic and industrial chemicals. Certain types of chemicals can cause chemical corrosion, such as corrosive oxidants (concentrated nitric acid), aromatic hydrocarbons (xylene) and halogenated hydrocarbons (carbon tetrachloride).