CTN Refrigeration Equipment Limited is a leading cold storage and energy-saving plant total solution supplier, is also the largest manufacturer of energy-saving insulation sheet. After more than 20 years of development, Crystal snow has built two production bases and sales network all over the country, forming a 2 million square meters of various types of energy-saving sheet metal, 20000 cold storage doors and industrial doors and the annual production capacity of 5,000 lift platform, capable of providing customers with energy-saving thermal insulation system design, production, construction and maintenance of a full range of services.