Shanghai Yishun Ice Pack Co. Ltd. is a high-tech enterprise, devoting itself to the development and research of cold and hot compress technology and manufacturing. brbrOur main products are biological ice bags> ice boxes cold and hot packs, soft cold packs instant ice packs, instant hot packs hand warmers, instant heaters cold insulating agents, Ice King blue ice, eye masks fillet, masks belts, insole wine-covers, freezing medium and relating products. br