Huichuang (HCSINO) Co., Ltd. is the high and new technique enterprise which holds more than 30 intellectual property rights. Our company integrates the scientific research, production and international business. We specialize in developing the products which economize on energy and protect environment as well as designing and producing several kinds of ventilation products. Huichuang-Dongfeng ventilation project with the industry standard of national fresh air making system has won an ...