Chengdu Pukang Biotechnology Co., Ltd.

Manufacturer of high-purity monodisperse polyethylene glycol derivatives and of side chains for long-acting peptide drugs. Its declared products include Fmoc-PEG, Boc-PEG, DOTA-PEG, SNAC and intermediates for tirzepatide, semaglutide and liraglutide. It reports a 2,400-square-metre research centre and a 12,000-square-metre GMP production base. Founded in 2008.