Do Changcheng Technology Shares belong to Photonic Chips?

Changcheng technology's stock does not belong to photonic chips. Changcheng technology belongs to the concept of semiconductor chip. Zhejiang Changcheng Technology Co., Ltd. was established on 20 10 1 1. Is a company mainly engaged in research and development, production, sales and technical services of microwave and millimeter wave analog phased array T/R chips. Photonic chips use photons to generate, process, transmit and display information. Changcheng technology's stock does not belong to photonic chips.