Women's tug-of-war at the 2019 Games-CVD, Chemical Vapor Deposition, Parylene,Parylene coating,nano coating,Macromelt，Thermelt，technomelt，Low pressure molding equipment,Low pressure injection molding equipment,Low pressure injection molding process,Low pressure injection,Low pressure injection glue,Low pressure molding glue,Low pressure molding tools,Low pressure molding molds,Low pressure molding product,Low pressure injection product