During the 14th Five-Year Plan period, Hubei SiRON Machinery Co Ltd in Dangyang County has not only broken the technological monopoly of foreign high-end grinding equipment but also established an industrial system ranging from core machinery to supporting products. The company has independently developed and produced CNC insert grinding machines capable of producing inserts with micron-level precision, the performance of which rivals advanced international standards, breaking the foreign monopoly in the sector of high-end grinding equipment. The company sold more than 400 units of fully automatic CNC insert grinding machines each year, with annual sales exceeding 100 million yuan.(Sanxia Daily: Reporter/You Man, Correspondent/Xiang Hairong)