(US UL certification mark)
China is a big country in the production of hotel electronic door locks, but no one manufacturer can produce hotel electronic door locks that meet international safety standards. In addition to low-end electronic locks in China, it is a copy of the electronic lock of the cottage version. The interception of a large number of manufacturers makes it in China. It is impossible to have R&D investment at all, and it is impossible to achieve product reliability and safety standards without research and development.
UL is the most rigorous and 100-year-old company in the world. It is a company based on the principle of good faith. The world's household appliances are based on the US UL safety certification. Any consumer can not understand the technology of the product, but must understand The trademark of UL safety certification, because 100 years of history itself is integrity!
We congratulate Adil! Because you made Superman's contribution!
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