Xiamen Envision Roller Technology Co., Ltd. is a professional manufacturer specializing in the research, development, and production of high-performance Jiulongbi stone rollers for belt conveyor systems used in bulk material handling applications. By leveraging the inherent advantages of Jiulongbi stone, including high hardness, excellent corrosion and rust resistance, strong bending strength, and outstanding load-bearing capacity, we develop stone rollers designed to replace traditional metal components. Combined with our patented double-layer sealing technology, our rollers effectively overcome the industry-wide challenge of short service life commonly faced by metal rollers in dusty and highly corrosive environments, providing a reliable and long-lasting solution for the belt conveyor industry.