亚洲丝袜综合中文字幕,国产欧美日韩综合精品二区,上课忘穿内裤被老师摸到高潮

Shanghai Heson instrument technology co., LTD., founded in 2006 with a registered capital of RMB 600W, is a manufacturer of testing machines, environmental instruments and thermal analyzers. The company mainly provides tensile testing machine, tensile machine, high and low temperature test box, constant temperature and humidity test box, differential scanning calorimeter, thermogravimetric analyzer, thermal conductivity tester, carbon black content tester, thermal vacuum test box and other material physical performance testing equipment sales, development and manufacturing. The company integrates research and development, production, sales and service, providing material testing, structural testing and finished product testing is a professional material testing and laboratory integrated solution supplier case.

It has 2 r&d and production bases in Shanghai, which is located in the testing machine production workshop and environmental instrument production workshop in jiading, Shanghai. The company has designers and developers to meet customer requirements for different standard equipment.