Registered. As of February 1, 2023, according to the "Trademark Information of Jiangsu Youpu Biochemical Technology Co., Ltd.", Jiangsu Youpu Biotechnology has been submitted for registration. The applicant is Tao Kunshan. The company was established on December 24, 1992. Jiangsu Youpu Biotech is a joint-stock company that manufactures chemical raw materials and chemical products in the unlisted industry. It was formerly known as Nantong Dongchang Chemical Co., Ltd. and is located near Huanghai 1st Road, Chemical Industry Park, Rudong Coastal Economic Development Zone.