?Shenzhen Haoyi Refrigeration Technology Co., Ltd. is engaged in air-conditioning and refrigeration equipment, industrial refrigeration, cold storage, and heating equipment. The main products are: medium and low temperature screw chillers, low temperature ethylene glycol chillers, low temperature brine chillers, water-cooled vortex chillers, and air-cooled screw chillers. It integrates R&D, production, and sales, has the ability to design solutions and project planning, provides overall solution services, and continues to maintain a leading position in the industry. The company has passed ISO9001 international quality system certification, ISO14001 environmental management system certification and CE international certification.