Beijing Yonghe Weiye Trading Co., Ltd. was established in Tongzhou, Beijing in January 2004. It specializes in the production and sales of PVC/PET transparent film for stamp albums, coin albums, and collection albums. At present, the company has more than 10 sets of professional film equipment for slicing, striping, gluing, and rewinding, and has established good cooperative relationships with printing and packaging, gift collection, and philatelic production companies across the country.

The current cooperative units include China Philatelic Corporation, Beijing Hualian Printing Co., Ltd., Beijing Qihang Oriental Printing Co., Ltd., Beijing Yayi Packaging Factory, Beijing Fenshida Packaging Products Co., Ltd., Zhuozhou Yuchao Packaging Products Co., Ltd., Guangzhou Jiahui Packaging Co., Ltd., Hebei Qide Packaging Products Co., Ltd., etc.