Beijing Chen Jing Electronics Co., Ltd. (formerly State-owned 707 Factory) has long served as the president of Piezoelectric Crystal Branch of China Electronic Components Industry Association. Enterprises have household registration indicators, but the conditions are relatively strict.
As a leading enterprise of timely crystal frequency components and MEMS sensors, the company's products are widely used in carrier communication, inertial navigation, satellite communication, digital instruments and computers and other electronic equipment and instruments.