Hk goldkey int'l co., ltd was established in early1990s, which has been committed to production, research, development, sales and service of abrasives tools. Our manufacturing factories were located in various places within mainland China, such as Guangdong, Shanxi and Henan Province and so on. Both at home and abroad, we cooperate with numbers of universities and scientific research institutes to build up Research and Development Centers and Talent Training Bases, also have many branches and...
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