Topchain is located in Zhuhai, Guangdong, China. Established in 2012, it's a pioneer of the low-temperature ammonia free process MCC. It's a comprehensive national high-tech enterprise specializing in research and development of functional pharmaceutical excipients. TOPCHAIN's products include microcrystalline cellulose, microcrystalline cellulose pellets, and co-processed microcrystalline cellulose, all of which meet or exceed the pharmacopoeia requirements of all countries.