Founded in 2000 and headquartered in Hangzhou, China, Dayang Chem (Hangzhou) Co., Ltd. is a leading manufacturer of fine chemicals and specialty intermediates for the pharmaceutical, agrochemical, and advanced materials industries.
Our ISO 9001:2015 and ISO 14001-certified production facility ensures consistent quality, process reliability, and sustainable manufacturing - meeting the stringent requirements of global regulatory markets.

Two laboratories in Zhejiang University and Zhejiang Industry University . We offer end-to-end contract development and manufacturing services - from route scouting and process optimization to multi-ton production. Our expertise spans catalytic hydrogenation, asymmetric synthesis, fluorination, and organometallic reactions.
Every batch undergoes rigorous quality control using advanced instrumentation, including HPLC, GC-MS ,ensuring consistent purity and compliance with international standards. Backed by a skilled team of chemists and engineers, our factory delivers reliable, traceable, and scalable chemical manufacturing for global partners.