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All-metal wet helix lockring brake produced by our company has embraced a blank for not only dom estic but also international in this realm. 我公司開發研制的全金屬溼態螺鏇鎖環微型抱牐填補了國內外這一領域的空白，本專利在國內外多次評比中榮獲諸多獎項。