45 # steel bearing sprocket

Renqiu huaxing mechanical accessories factory is the first mechanical Ren Qiu sprocket professional manufacturers, the main production machinery sprocket, gear, non-standard sprocket, gear and chain wheel shaft, etc., in recent years, the company vigorously develop foreign markets, sprocket sales around the world. Welcome you to focus on '" huaxing "products. If there are technical or enquiries, please feel free to contact miss