The newest research progress of starch-based and lignin-based foams is summarized. The extruded and baked starch-based foams and lignin-based foams as intensifiers in foamed plastics are discussed.

BYQ1 fiberglass cable tray is reinforced by fiberglass, plastics, flame-retardant agent and other materials. It is also composed of compound pressure materials and stainless steel net.

For the use of ceramic tile, marble, plastic decoration, paste, and also can reduce the amount of cement.