Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co.,Ltd is a joint-stock enterprise offering you a wide rang of tech savvy dryers like Rotary Dryer,Sand Dryer,Lignite Dryer,Slag Dryer,Coal Slime Dryer,Micro Power Dryer,Flyash Dryer,The Three-cylinder Dryer,Cooler,Burner etc.Our company has passed the international ISO9001-2000 authentication,possessing the independent right to import and export within People's Republic Of China.Our products are being exported to more than 50 countries and regions totally.And Perfect after-sale service system with professional after-sales service have provided customers with prompt and thorough service.Welcome you visit ZONEDING,and hope we can get a win-win cooperation.