Shanghai Yidian Industry Co., Ltd. was established in 2008 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. With about 100 staff members in finance, purchasing, development, marketing, production and quality control, we strive to ensure that we produce innovative and in-demand healthcare products and cold storage items. Our factory is able to produce 35,000 cold packs daily and ...