大连一铭精工机械有限公司专业生产密炼机密封环,又称密炼机铜耐磨环,由锡青铜基体镶嵌四氟润滑剂加工而成。Dalian Yiming Seiko Machinery Co., Ltd. specializing in the production of mixing seal rings, also called mixer copper wear rings, tin bronze inlaid by matrix processed PTFE lubricant.
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