午夜精品偷拍合集_色一乱一国产一二区免费视频_另类视频不卡视频国产不卡视频_亚洲精品一区二区三区麻豆_日韩国产中文字幕在线_日韩精品一区91精品_丰满岳乱妇一区二区三区_性爱AV在线观看

　　Shanghai Jiubin Instrument Co., Ltd. was set up in Shanghai in 2008 with a registered capital of 1000W. It is a leading manufacturer of mechanical testing machines, environmental test chambers, thermal analysis instruments, agate grinders and non-standard testing equipments in China. It is a high-tech enterprise that are integrating R&D,producing, selling and testing.

　　In 2016, the company established automotive parts fluid center and fatigue testing one! The company has provided testing equipments for more than 8,000 enterprises, research institutes and key universities through out the country. Together with Changchun University of Technology,we has established a joint producing, teaching and researching base , which provides a large number of special testing equipment for many domestic defense military and aerospace science and technology enterprises.