... within -10°C--+50°C. According to the bandwidth, this series of equipment have six books: 400,500, 650, 800, 1000, ... a professional manufacturer engaging in producing active driving chain grate bar,sprocket, chain gear, clamping plate, cross scraper board, ... , center bracketand and so on. The accessorial driving chain bar features high temperature resistance, abrasion resistance and easy-replacing. ...