Paidong Industrial Zone Qiligang,Yueqing City,Zhejiang province,China.
What is Relay Switch? A relay switch is an electric switching device whose basic principle is to open and close a circuit by receiving an electronic signal from the outside. Relay switches have various sizes, shapes, and designs of different styles, so relay switches have a variety of additional applications in circuits. What are the […]
Tongou was established in 1993, It takes the high-end low-voltage electrical system solutions experts as the brand positioning, takes solving the pressure and challenges of customers as the responsibility, and creates value for customers.
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