We have assembled some of the most frequently asked questions to our customer service department. If you do not find the information you were looking for, feel free to contact us and we will answer your questions as soon as possible.
We have assembled some of the most frequently asked questions to our customer service department. If you do not find the information you were looking for, feel free to contact us and we will answer your questions as soon as possible.
T/T, Western, According to the customer's payment terms.
If there is no stock, it will take 15-20 working days. In Stock: Payment Before delivery.
The smart electronic lock series and the customized samples and freight are not free, and the freight fee can be negotiated by each other.
One year Warranty.
Firstly, confirm whether the IC card is in the corresponding position, check the whole lock, if still no response can use mechanical unlocking, or contact us.
First make sure that there is a signal, and if the mobile phone APP match works, find the lock number, and exclude the power problem if there is still no response, you can use mechanical unlocking, or contact us.
Our Customer service is unsurpassed. We have well trained customer service representatives that are ready to help you with your next project be it large or small.
Our R&D team keeps developing new items for customers all over the world to ensure that we keep the flow of new hot selling point. If you have any questions or suggestions, please do not hesitate to contact us for further assistance.
zz@zhongzhenglock.com
+86-577 8629-1818; +86-577 8844-1188; +86-577 8629-1198
No 399 Jihong Rd Ouhai District,Wenzhou, Zhejiang, China 325000