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Zhongshan H.R.T. Precision Steel Ball Co., Ltd. is located in the great revolutionary forerunner Sun Yat-sen 's hometown , Zhongshan City, Guangdong Province , the main products are precision stainless steel balls, bearing balls, steel balls, glass balls, ceramic balls and plastic balls , with size งถ0.5mm-งถ50.8mm, which are widely used in bearings , lithium batteries , micro motors, precision molds , auto parts , precision instruments , medical equipment and precious metal grinding and other industries. Pro...
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