The three layers of pipeline PE(PP) form that the first layer is epoxy powder, the second layer is PE(PP),the third layer is adhesive. The products meet the requirements of the national standard of GB/T23257-2009 of polyethylene coating for buried steel pipe. The products belong to
Pressure piping components and shall be acquired manufacture license of special equipment of General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China to market and produce