Zhejiang
Zhejiang Asun Chemical Co., Ltd. is a high-tech enterprise which specializes in the research, produce and trade of API and intermediate for pharmaceutical.
China
Hangzhou Lane Technology Co., Ltd: Flavor & fragrance piperonal(Heliotropine, CAS 120-57-0) manufacturer with high purity & excellent odor with capacity of 500MT per year with Reach & Kosher certificate.