With nearly three decades of experience in precision grinding technology, TONG YI MACHINERY has developed a comprehensive range of grinding machines designed to meet diverse industrial manufacturing requirements.
The company's product portfolio includes CNC high-precision surface grinders, double-column grinders, rotary surface grinders, long-table grinders and multifunction grinding systems.
Beyond conventional metalworking applications, DOWELL has expanded into the semiconductor supply chain, providing precision grinding solutions for advanced materials such as ceramics, quartz and silicon.
Through continuous R&D, customized machine design and quality management, TONG YI MACHINERY supports manufacturers seeking improved machining accuracy, process stability and production efficiency.

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