Technical services, artificial intelligence hardware, office supplies sales and advertising production. Tianjin Zheng Jie Industrial Park belongs to Tianjin Zheng Jie Science and Technology Development Co., Ltd. Tianjin Zheng Jie Science and Technology Development Co., Ltd. was established on September 6, 2022, and its registered place is Fuyuan Road, Wuqing Development Zone, Tianjin. The business scope includes technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Artificial intelligence hardware sales; Office supplies sales; Mold sales; Mechanical equipment sales, etc.