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Hangzhou Jinfeng Electric Appliances - Notice to Users

In order to better enhance the company's image and quickly identify counterfeit switches, since 2016, we have gradually added "QR code" labels to the product manuals, outer packaging, and certificates of conformity. Users can verify the authenticity of the switches by simply scanning the QR code to follow us, and then filling in the product number on the certificate of conformity to find out...

2018

The principle of a leakage current switch

The principle of a leakage current switch (also known as a residual current device or RCD) is based on the detection of imbalance between the live (phase) and neutral wires in an electrical circuit.

2018

BT collaborates with Toshiba to showcase secure quantum communication technology.

Any attempt to monitor the data being transmitted will interfere with the photons of the sent key, thereby obstructing its encoding. Attempts to monitor the transmitted data will interfere with the photons of the sent key.

2018

The function and role of an automatic air switch are as follows:

2018

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HANGZHOU JINFENG ELECTRIC CO, LTD,

Add： No.38, Hongyou Qiao Road, Guali County, Xiaoshan District, Hangzhou City, Zhejiang Province
Sales Hotline：+86-571-82551224
E-mail：jinfendianqi@126.com

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Dear customers, if you have any comments and suggestions on our products or services, please tell us in time, we will give you satisfaction as soon as possible

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