Invidious
Sue Chen-TOPLOCK (lock manufacturing vendor)
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TOPLOCK has been manufacturing various security/access control products for almost 20 years, with electric locks as leading products.

Products passed life cycle test, holding force test, salt spray test, etc.

RoHS, FCC, CE Certified.

Serving TOP global security brands.

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1:02

How to test the electric door lock as a exporting factory?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 1 month ago

5 views

0:23

How does an electric strike work?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 2 years ago

1.4K views

0:12

Digital door lock PIN code lock-Multiple mode settings

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

14 views

0:50

How is the electric rim lock manufactured?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

157 views

0:28

TOPLOCK electric rim lock bulk order production

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

19 views

0:19

How does magnetic lock work with security systems?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

169 views

0:50

How're various electric locks tested to ensure functionality?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

9 views

0:44

Toplock electric bolt lock with anti redual magnetism & higher strength

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

43 views

0:05

Infrared no touch button to cope with COVID-19

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

13 views

0:29

How does a motor rim loc work with the access control system?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

9 views

0:50

How's magnetic lock produced in high quality?

Sue Chen-TOPLOCK (lock manufacturing vendor)

Shared 3 years ago

293 views