销售热线：16638389166上海铮潼声光科技有限公司专业生产上海铮潼声光科技起重机电LED指示灯，声光报警器，警示灯，红外线，超载限制器。

Shanghai Zhengtong Acoustic-Optical Technology Co., Ltd. specializes in the production of LED indicator lights, audible and visual alarms, warning lights, infrared devices, and overload limiters for crane and lifting applications.

"Deeply rooted in the field of crane electrical control, we steadily advance and continuously innovate. We welcome both new and existing customers to visit, exchange ideas, and engage in sincere cooperation for mutual benefit.