China's plastic industry (rotational molding products) is a "sunrise industry" integrating plastic synthetic resin, additives and additives, plastic processing machinery and molds with plastic processing as the core. The industrial scale is expanding, the product output is increasing year by year, the main economic and technical indicators are increasing significantly, and the whole industry is growing. It is moving forward along the road of realizing the sustainable development of plastic and mold industry from a big country to a powerful country.