universal coupling Over the years, we have been increasing our efforts to assist our cooperative companies to succeed in increasing sales and saving costs with our most cost-effective but high-performance products. We also established a brand - JAMA to strengthen our customers' trust and Let them know deeply about our determination to become stronger.
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JAMA universal coupling Through the endless efforts of our R&D staff, we have successfully made our achievements in spreading JAMA brand reputation globally. To meet the increasing demand of the market, we continually improve and update the products and vigorously develop new models. Thanks to the word-of-mouth from our regular and new customers, our brand awareness has been greatly enhanced.chain drive sprocket,chain sprocket design,mini pulley.