欢迎光临，专业于热处理设备,,超精研
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专业从事于：热处理设备,,超精研 中山市乾润精密钢球制造有限公司成立于2009年（以下简称乾润），位于中山市-邻近香港，澳门，深圳，珠海和广州；是一家集研发, 制造和销售于一体的专业生产各种钢球的先进企业。 zhongshan qian run precision steel ball co., ltd was established in year 2009 ( hereinafter called as qr ), located in zhongshan city, where nearby hongkong, macao, shenzhen, zhuhai and guangzhou. q.r is a professional and advanced company of various kinds of balls in research an...
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