With over six decades of engineering expertise in the power transmission industry, Sanlong is dedicated to delivering high-performance, durable, and reliable gear solutions. Equipped with state-of-the-art gear grinding machines, large-scale CNC machining centers, and advanced inspection instruments, the company holds a leading market position particularly in gearboxes for plastic extrusion and injection molding machinery. Backed by rigorous quality control and continuous technological innovation, Sanlong's "SL" brand serves demanding applications across plastics machinery, machine tools, heavy industries, and renewable energy sectors worldwide.

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