As core foundations of social operation, telecommunications and power industries have a large number of distributed outdoor equipment such as base station cabinets, power substations, distribution boxes and remote control cabinets. Traditional mechanical locks suffer from key management chaos, untraceable access records, poor anti-theft performance and frequent maintenance troubles. Our CRT-NH100 Smart NFC Cylinder Lock is designed to solve these pain points, bringing intelligent, secure and traceable access management to industrial facilities.