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| 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 ... more |
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Sales Department：86-022-88829071
After-sale Service Department：86-022-88829072
Fax：022-88829071
Add： 3 floor of J Building, Molida Corporation Park, Weishan South Road, Jinnan Economic Development Zone, Tianjin
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