HAOYE TRADING.,CO.,LTD
KNG was founded in 1996, headquarters covers an area of 160,000㎡. We have been focusing on providing Safety window & door hardware system solutions for 25 years. Passed the IS09001:2000 certification of SGS in 2002. KNG is currently one of the largest window & door accessories manufacturers in China with a relatively complete quality management system. It includes window & door hardware system design center, research and testing center, smart factory, sales and service center. We serve more than 70 countries and regions.
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