We act on the principle of high-start, high-quality and brand-creating, with the strong ability to research and develop, and wins the patent successively: The Alarm Lock Device (ZL: 200420041000.8), The Night Lock (ZL: 03271543), The Safety Lock (ZL: 200320107490) and so on. It enhances the difficulty index of anti-technique unlocking, with electronics, mechanism and magnetism to the whole, in addition, changes and applies the unique structure, possesses numerous additional functions, which rewrites the history of "one key to one lock" and founds the lock device which gathers multi-person, multi-key and multi-code together to unlock the door, fulfills the purpose of anti-thief and alarm at the begining of thefting. It really start a revolution of the lock device.

Our products include intelligent (mechanical) theftproof alarm lock, mixed magnetic night lock, one form magnetic theftproof lock, common night lock. Classified as: Theftproof lock, safe lock, folk lock, craftwork lock, concentric lock and other series locks.

At present, we have cooperated with several theftproof door factory. Our ompany always insisted on the principle of 'Technology innovation, security shield'. KEANDUN is constantly, from beginning to end, innovating and brand-creating, which are the two important weapons for the development of our company. We are pursuing the technological innovation constantly, guided by the demand of market, meeting user's need for the lock device. Moreover, through the brand combination strategy and omni-directional, cogent, and modernized market method to establish the brand of KEANDUN, entering into the high-grade market roundly with the technological alarming products of reasonable price, omnifunction and and highly antitheft.

We sincerely hope to cooperate with you at home and abroad to create significant achievements in the future together!