Hi, sir,It is nice to write to you. This is nasser from Saudi Arabia. I do have a customer suffering from stealing or replacing the new tiers with others old or less quality. is your solution can solve this problem? is your solution can be linked with a tracking system to notify the customer whenever there's a problem? Could you please send me the quotation from this with the details as below:EINECS No.,Type,CAS No.,Do you have any quality assurance certificates?Hope you reply to all my questions so I could proceed with buying.With Best RegardsAdditional Services:After-sale ServiceFrequency:UHFProtocol:EPC Class1 Gen2/ISO 18000-6C Show More