Changzhou Yuyan Refrigeration Technology Co., Ltd. is a cold storage plant and the overall energy efficiency solutions provider and one of large energy-saving manufacturers of cold storage panel. The sandwich panel for cold room is using B1 fire grade of PIR-Polyisocyanurate & B2 Fire Grade of PUR-Polyurethane materials for the inner and the surface of panel using pre-painted galvanized steel sheet, 304 stainless steel sheet or aluminum embossed stucco sheet which can effectively reduce the heat generated due to the temperature difference between inside & outside and to achieve maximum efficiency refrigeration system. The scientific connecting method for the panel is by tongue-and-groove dry joint by cam lock which will have the good sealing performance and easy accessibility to ensure the excellent aesthetics for the cold storage installation. Changzhou Yuyan Refrigeration Technology Co., Ltd. is a ISO9001: 2008 quality management system certification and ISO14001: 2004 environmental management system certification enterprises which will ensure the quality of the production of each piece of cold storage panel. The company has the extensive experience and the professional technicists in the design, construction, installation and after-sales service which will ensure the quality for each constructed cold storage project from us and we can provide a full range of services to the customers with the energy-saving insulation system for the design, the construction, the production and the maintenance of each cold storage project.After nearly 20 years of development, Changzhou Yuyan Refrigeration Technology Co., Ltd. currently has the annual capacity for PIR Insulated Sandwich Panel & PUR Insulated Sandwich Panel reached 1,500,000.00 Square Meters by Full-Automatic Production Line and the annual capacity for different types of cold storage doors reached 5000 sets which is widely used in aquaculture industry, livestock industry, biomedicine industry, chemicals industry, food processing industry & other industries and sold throughout the China and formed the bulk exports of many countries and regions, such as United States, Canada, Singapore, Peru, Australia, Ghana and so on.Changzhou Yuyan Refrigeration Technology Co., Ltd. will be honest to make friends, to the quality of survival, reputation and development, efforts to establish a reliable and stable cooperative relationship with domestic and foreign customers and become good partners, and seek common development.