A: Firstly, Our products are produced under strict quality control system and the defective rate will be less than 0.2%. Secondly, during the guarantee period, we will send replacement with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution.
In future, we will always try our best to make high quality, popular and reliable chinese door lock products for our customers.
