TIANJIN HEAODA NEW TECHNOLOGY DEVELOPMENT CO., LTD is a high-tech company registered in New Technology Industrial Park in Tianjin and she is a professional manufacturer specialized in producing and developing VVVF elevator door operator, VVVF Controller (including: Parallel port, encoder port, serial port), permanent magnet synchronous inverter controller, permanent magnet three-phase asynchronous motor, door variable frequency motor, serial communication converter, photoelectric sensor, Rotary encoder and non-contact magnetic rotary encoder. We own all the intellectual property rights of our products and these products are designated as auxiliary products by OTIS (Tianjin) Co. and Andisi (Xian) and special order products for transformation of old lifts by OTIS China Group. We are backed by a powerful technical support and perfect after-sale services. Our VVVF door operator is applicable to the elevators manufactured by OTIS and other elevator manufacturers, including passenger elevator, goods elevator, bed elevator, residential elevator, panoramic elevator, automobile elevator etc. whose door opening widths range from 700mm to 3,000mm.
We have passed ISO9001 quality management system certification.
Our “pursuing world class quality and offering international standard services” quality policy reflects our pursuit of product quality and promises to our client.
Currently, the company can produce matching products for OTIS3100R, 3100R2, GEN2, 3200 and 3200A elevators comprehensively and for new Hitachi system’s door motor, direct connection permanent magnet synchronous door operator, direct connection planetary deceleration door operator, optical encoder 180 -500 pulse and contactless and mixed rotary encoder. The company productivity has reached 15000 transducers; 15000 variable frequency motors and 15000 rotary encoders. And our products can meet the electromechanical requirements of all kinds of elevator types and also can design products according to clients’ special orders. We can guarantee that our products can reduce costs greatly for you.