Weifang Jianbao Biotechnology Co., Ltd. is located in Changle County, Weifang City, Shandong Province, belongs to Shandong Wanshan group.Wanshan Group can annually produce 105,000 tons of sodium gluconate, by-product sodium gluconate mother liquor 29,000 tons, and bacterial residue 13,000 tons. The project covers an area of more than 130 acres, with a construction area of more than 50,000 square meters. The project has advanced equipment, mature technology, clean and environmental protection, adopts advanced biological fermentation technology, and realizes fully automated control from raw material input, production process control, and product packaging storage. It is currently the industry's most self-determined production process system. Undertook a science and technology development plan for Changle County. The project's "Technology Center" and "Key Laboratory of High-end Auxiliary Agents" were identified as municipal-level technology R & D platforms, and were included in Weifang City's "invisible champion" cultivation enterprise.