The new decoration material is a new type of large board wall with green, environmental protection, energy saving and superior thermal insulation and fire protection performance. The surface is flat a

The proportion of PLA and PBAT degradable plastics industrial structure is among the bestWith the development of economy, consumption upgrading and the rapid development of express industry and takeou

(l) Building envelope energy-saving building envelope includes windows, walls, roofs, etc. to improve the thermal performance of the building envelope, so that the heat energy supplied to the building

Polyether, also known as polyethylene glycol ether, is a synthetic oil with the largest sales volume at present. It is a linear polymer prepared by ring opening homopolymerization or copolymerization