Chaeng is one of the earliest known manufacturer of tube mills in China, who has been focusing on the R&D and optimization of tube mill technology for decades. We have obtained several national patents, and have produced over 3000 sets of energy-saving and efficient tube mill, which have been sold well both at home and abroad and well welcomed by our customers. The high fineness tube mill developed by the company (patent No.: ZL 99254698.2) has changed the original structure of the mill, reduced energy consumption by 30% and increased processing capacity by 15-20%.

It has significant energy-saving and environmental protection effects and is widely used in the fields of cement, chemical industry, metallurgy and refractory materials.The φ4.2 x 13m double slipper tube mill developed by Xinxiang Great Wall ,it is the first domestic product which fundamentally solve the problem of "discontinuous operation due to high temperature of slipper pad at the discharge end", and won the national utility model patent (patent No.: ZL 201020285841.9). The Tianshan cement of China National Building Materials Group alone ordered 16 sets, who highly praised this product.