Ningbo Dongda Intellectual Equipment Co., Ltd., is a modern factory of different types of automatic doors. We are good at producing the electric controller of the automatic doors. We can control the function and quality of the products by ourselves. Please check the introduction of our products as follows: ---Automatic swing door operator: Automatic Swing Door Operator is intelligent equipment made from data automation control technology, enjoys excellent capability and strong function. It can be connected by: All kinds of door access control accessories such as bank card reader, office magcard reader, fingerprint identity system etc. ---Automatic sliding door operator: -The auto door operator is designed to run in a wide valtage range which ensures a more reliable operation of the whole drive unit. -The door leaf will automatically turn back if it touches any obstacles when running. So it is safer for users. -The auto door operator can automatically adapt itself to different door weight. -The slow running distance in the process of opening or closing can be adjusted automatically according to the door weight. -The motor is designed with unique lock function, then the doors can be locked without mechanical locks. -The operator is designed with a remote controller, you can adjust the drive unit with the controller. -Opening speed is faster, which is more of humanization. -- -Automatic revolving doors: 1. Structure design 2. Luxurious appearance 3. Environment friendliness 4. Tremendous traffic passage 5. Firmness and durability ---Elevator Our products are different from traditional traction lift and hydraulic elevator, this platform lift applies modern construction style which boasts the properties of easy installation, simple control, safe use and beautiful in appearance.