Grizzly Electrodynamic Corporation was established in 1979. We are manufacturer for Automatic Door, Automatic Sliding Door, Automatic Door Operator, Automatic Telescopic Door, Automatic Curve Door.Grizzly has an R&D center in Canada, which has its innovations realized by Grizzly factory in Taiwan where the mechanism and technology is highly mature.Our Products are award the CE EMC LVD Certificates and the patent of USA.