久久国产欧美日韩精品免费,天堂√在线中文最新版,国内精品伊人久久久久AV影院,日本久久精品一区二区三区,高潮内射免费看片,中文字幕日韩精品亚洲一区,亚洲男女内射在线播放,婷婷开心深爱五月天播播

Huizhou Tongyong Mechanical and Electrical Equipment Co., Ltd was established in 2004, it is an integrated service operator integrating mechanical and electrical equipment sales / leasing, petrochemical equipment maintenance, industrial cleaning, equipment installation and machining, structural manufacturing, organic waste disposal, etc. At present, Huizhou Tongyong has formed four core business, which are sales and leasing of mechanical and electrical equipment, industrial cleaning, Supporting facilities and services of engineering, and organic waste disposal. In 2015, the company cooperated with WIS HOLDINGS, a famous Singaporean company, to re-register as a Sino-foreign joint venture company and is committed to the development of a new environmental protection industry focusing on the research and development of waste disposal equipment technology. The company has passed ISO9001:2015 Quality management systems, GB/T24001-2016/ ISO14001:2015 Environmental Management System certification, GB/T28001-2011/OHSAS18001:2007 Occupational Health and Safety Management Systems.  Detailed introduction>>