Wholesale Pull Box with CE certification can be customized from Bestmetal. Our factory is one of the manufacturers, suppliers and brands in China.

On your way home from get off work, do you suddenly forget whether you closed the office door, fearing the loss of important documents and having to return to check? So some people think that the door can be closed automatically, and the Automatic Door Closer can realize your wish.

Punch-free automatic door closers are now very popular products. Because it can help people close the door automatically to the greatest extent, so you don’t have to worry about forgetting to close the door when you go out, and whether you close the door after get off work.

Do you know how to use punch-free automatic door closer? This video will definitely help you!

The automatic door closer is a simple punch-free device, which is different from the previous products of the same type on the market. This automatic door closer is mainly small and light, punch-free, suitable for various places.

Do you know how to use the retractable tether or retractor?