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Anonymous users2024-01-24It's best to communicate well, the poor door is not guaranteed, there is no after-sales after the general installation, the responsibility must be in him, the key is that you paid the deposit, afraid that others will be helpless, buy the door to choose to be sincere. Look at my profile.
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Anonymous users2024-01-23It is better to go to the consumer association or the industrial and commercial bureau.
1. Before the start of construction, we should first ensure that other indoor construction processes are basically completed, and the partition and movable door leaf must be uniformly laid out and positioned according to the requirements of the design drawing, and then determine the position of the door frame, and accurately measure the ground elevation and the top elevation of the door frame. >>>More
Anti-theft door lock installation method.
1. According to the installation size of the lock body, drill and chisel the installation hole of the lock body. >>>More
Check the national government procurement website.
No. I've never heard of an alliance. The goods are all bought in the store, and the person in charge of the store will install them.
GB17565-2007 Anti-theft security door general technical conditions are included.