Rotary Kiln for Lime. Rotary kiln has very wide application in the manufacturing industry, and at the same time, it is one of the significantly important machines in cement production. According to different processing methods, it can be ... The kiln lifetime is more than 10 years for one-time. The kiln covers small area, flexible arrangement.We are the best Pfr Kiln suppliers in China. MER Has a strong ability for supplying a complete set of kiln equipment, and owns independent intellectual property rights of new energy-efficient gas burned single shaft series products.