1. One-to-one teaching in-house training for balloon knitting technology training enterprises in Shenzhen, located at Row 1 (North)/No.kloc-0/06/store, Gong Ming Sub-district Office, Guangming New District, Shenzhen.
2. Shenzhen Zhongjiang Jinyi Jewelry Metalworking Training School is located in Shenzhen, the jewelry capital of China and the frontier of reform and opening up.