Founded in 1993, Guozhu Group Co., Ltd. is a China-foreign joint venture high-tech enterprise, located in Huanghua Lake Industrial Zone, Fogang County, Qingyuan City, Guangdong Province, covering an area of more than 60000 square meters and fixed assets of more than 300 million yuan. Guozhu Plastic Co., Ltd. is a subsidiary of Guozhu group. It mainly produces PMLB series linear full-automatic blowing machine. It is the first new patented product in China. The patent No. ZL 2016 2 0939262.9 uninterrupted heating technology has the characteristics of strong stability, high yield, environmental protection, energy saving and high efficiency.