Shandong Senmei Biotechnology Co., Ltd. was invested and established by SENMEIDA Group in 2008. It is located in Fenghuang Town, Linzi District, Zibo City. The factory covers an area of ​​more than 60,000 square meters, has 200 employees, uses advanced production and testing equipment, and has an annual production capacity of 50,000 tons. The company focuses on the research and development, production and sales of cellulose ethers. Its main products are sodium carboxymethyl cellulose (CMC), polyanionic cellulose (PAC), and hydroxypropyl methylcellulose (HPMC).

Ma'anshan Tiantai Biotechnology Co., Ltd. was founded in September 2013 by a technical team mainly composed of scholars who returned from the United States and worked in Harvard University for many years. Its main products include: acetyl glucosamine, N-acetyl-D-glucosamine, glucosamine hydrochloride, glucosamine series products, customized cosmetic raw materials, and provision of cosmetic raw material safety information reporting codes, with an annual output of 2,400 tons.