On January 10, 2019, through the professional review of the TCL ace quality team, procurement, research and development, finance and other departments, as well as the review of optical products such as diaphragms, the workshop environment and products were given to NIGER. After the full affirmation of the process and quality supervision, it was agreed that Huizhou NIGER became a qualified supplier of TCL, and on the basis of long-term cooperation of the diffusion board, the cooperation of optical diaphragms was added.