Shanghai Chuangshi Industry Co., Ltd. Shanghai Chuangshi Industry Co., Ltd. was established in 1994 and is a professional manufacturer of cold and hot packs, instant ice packs, hand warmers, gel masks, ice boxes, bottle coolers and other related products. Over 100 staff members in finance, purchasing, development, marketing, production and quality control strive to ensure that we produce innovative and in demand healthcare products and cold storage items.