Tired. Often work overtime, heavy workload and little rest time. Zhuhai Zhongjing Electronic Circuit Co., Ltd. (referred to as "Zhuhai Zhongjing") is a newly established key wholly-owned subsidiary of Zhongjing Electronics. Zhuhai Zhongjing has invested in a new PCB factory in Zhuhai Fushan Industrial Zone in recent years. It is the largest investment scale of Zhongjing Electronics since its establishment. , technology improvement spans.