Kerong Industry Co., Ltd. has been dedicated to lock R&D and manufacturing for more than 20 years. Our battery-free locks include NFC locks and electronic passive locks.

Kerong is pioneers in smart lock security systems with over 20 years of experience. Our commitment to R&D and customer-focused innovation ensures every product meets the highest standards of safety, reliability, and ease of use.Whether you're securing business assets, managing logistics, or simply looking for smarter security, Kerong’s NFC Smart Disc Padlock offers peace of mind with next-generation technology.