Yes, a certain number of spare parts will be provided free of charge, including modules, power lines, signal lines, LED lights, IC, masks, power supplies, receiving cards, etc.
We provide various technical training free of charge, including the operation and maintenance training of LED display in the factory. We can send a team of engineers to the customer's country to guide the installation.
Quality first. We attach great importance to quality control from beginning to end. We focus on every detail. Our factory has obtained ISO9001, ISO14001, CE, RoHS, FCC certification.