1.Special worm feeder on fluidized bed boiler 2.ISO 9001:2008 3.The worm feeder could match with all the 6-130T boiler. Our company is a professional manufacturer engaging in producing active driving chain grate bar,sprocket, chain gear, clamping plate, cross scraper board, left bracket, right bracket, center bracketand and so on. The accessorial driving chain bar features high temperature ...