1.Big scale-type grate 2.ISO 9001:2008 3.Non-leakage of coal 4.Best price and warm-hearted 5.Superior in quality Company profileOur 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 ...