http://pastport.jp/user/yuanyaotech ja-JP Guangdong Yuanyao Test Equipment Co.,Ltd. is an ISO9001:2015 certified manufacturer and trader specialized in the research development and production of climate chamber and other test equipment. In 2004, we start to produce climate chamber. In 2009 , Yuan 2020-11-10T11:35:53+0900 http://pastport.jp/user/yuanyaotech/timeline/Guangdong%20Yuanyao%20Test%20Equipment%20Co.%2CLtd. yuanyaotech http://pastport.jp/user/yuanyaotech/timeline/Guangdong%20Yuanyao%20Test%20Equipment%20Co.%2CLtd.