Grizzly Vibrating Feeder WGZT WINNER Products Made In China, China Manufacturer. Grizzly Vibrating Feeder Specifications: 1. high capacity achivevable due to large stroke, 2. wide selection of wear liner materials available. Applications: WGZT series Bar Grizzly vibrating feeder is used in extraction and conveyance of materials of very large size from storage bins and hoppers, and are conveyed