To inform the user


Release time:

2020-01-04

In order to better promote the company image, faster picking off switch, in succession since 2016 in the company's product specifications, packing and certificate to add & other; Qr code & throughout

  In order to better promote the company image, faster picking off switch, in succession since 2016 in the company's product specifications, packing and certificate to add & other; Qr code & throughout; Mark. User to identify the true and false of switch, scan the qr code and attention, then fill in the product number on the certificate of approval. Here is the new and old certificate label design: