Here's an introduction to a product created using Eqxiu.com: H5 products. The title is 'Black Dragon River Middle Guil Medical Industry Li Manager', and the description is blank. The content includes an address in Changdi District, Jilin City, Jilin Province, as well as contact information: lizhendong@163.com, 18904323337, and 010-8283-8485. Li Zhen Dong is a business manager at Black Dragon River Middle Guil Medical Industry. He has a height of 178cm and weighs 64kg. His zodiac sign is Leo. He started developing the product 'Dexin Injection' in 2000, which is used to treat Meniere's disease, blood vessel headaches, and cerebral vascular hardening, among other conditions.