This production line is used to produce PP hollow templates.PP hollow plastic building formwork has high strength, impact resistance, wear resistance, long service life, and the number of turnovers can reach more than 100 times.PP hollow plastic building formwork has good processability, can be sawed, planed, stapled, and can be used simultaneously with wood formwork.The comprehensive use cost of PP hollow building formwork can save more than 30% compared with traditional wood formwork.