3LPE( Long-term Service Temperature : Below 80℃) and 3LPP( Long-term Service Temperature : Between 80℃ and 110℃ ) consist of FBE( primer ), copolymer adhesive (middle layer) and top layer (polyethylene or polypropylene).

Asphalt enamel coating is a traditional anti-corrosion coating made up of asphalt coating & inner and outer wraps. With its cheap price , waterproof performance, weathering resistance and good bonding property as well as mature technology , it is widely applied in metal anti-corrosion.

CWC, currently the most important counter weight product in offshore pipeline , consists of cement, water, aggregates and reinforcement materials, with its characteristics such as fixing the pipeline stably on the seabed and offering effective mechanical protection for the pipeline .