information
www.xiangruicanyin.com ningxia kunzheng biotechnology co., ltd. integrates high-end biotechnology research and development, production, storage and sales as a manufacturer, mainly engaged in acetyl carnitine hydrochloride, carnitine tartrate, carnitine fumarate, l-carnitine, cyclohexyldiamine, flubenzene, salicyaldehyde, 2025-02-15