http://www.ruigangmachine.com/ Demoulding Machine manufacturers Zhejiang Ruigang Machinery Co., Ltd. was founded in 2008. It is a comprehensive enterprise specializing in the research and development, production and sales of concrete autoclaved aerated block equipment. It is a participating unit in the formulation of national standards for this industry, and its comprehensive strength ranks among the top five in China. Zhejiang No. 1 is the youngest and fastest growing enterprise in the same industry in China. In 2019, the company's product sales exceeded 100 million yuan, an average annual growth rate of more than 44.5% for four c