with sjsz-60*22 conical double-screw extruder combined with corresponding wavy plate mold, drawing auxiliary machine and cutter, sj-blb 1000 set for extruding wavy board can continuously produce the colored, weather-resistant and flame-retardant wavy upvc board used in the construction. if replacing the relative parts, it can also produce flat and grid plastics board. the set has the characteristics of good plasticizing, stable performance, compact structure, high automatic degree and convenient operation, is the ideal equipment for construction material manufactures.