×
Quality test for mechanical door lock
2021-05-06
This video is to show you the quality test for mechnical door lock, including anti-violence test, anti-drilling test for cylinders, and handle spring test.
ReviewsNumber of comments: {{ page.total }}
I want to comment?
{{item.nickname ? (item.nickname.slice(0, 2) + '*****') : item.source === 1 ? 'mall buyer' : '--'}}
{{item.comment_time}}
Review in the {{item.country}}
Reviews
Merchant
{{replyItem.nickname ? (replyItem.nickname.slice(0, 2) + '*****') : replyItem.source === 1 ? 'mall buyer' : '--'}}
{{replyItem.parent_nickname ? (replyItem.parent_nickname.slice(0, 2) + '*****') : '--'}}
{{replyItem.is_merchant_reply === 1 ? replyItem.reply_time : replyItem.comment_time}}
Review in the {{replyItem.country}}
Reviews
No customer reviews
If you have more questions, write to us
Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
Recommended
2025
08
21
2025
06
10
2025
06
10
In future, we will always try our best to make high quality, popular and reliable chinese door lock products for our customers.
CONTACT US
Contact Person: Abby zhang
Tel: 0086-760-22138650
E-mail: sales8@lokinlock.com
MOB: 0086 180 24816938
ADD: Liansheng Nan Road, Lianfeng Industrial Zone, Xiaolan town, Zhongshan city, Guangdong Province, 528416, China
BETTER TOUCH BETTER BUSINESS
Contact Sales at FUYU lock.