一级片A级黄片|淫荡AAAAAAAAA片|性色蜜欧美色呦呦|美国熟女视频久草久久|三级黄色免费电影|自拍图片二区日无码手机在线|欧美另类一区二区|欧美97精品一区|成人天堂AV电影网|国产手机自拍AV

Honor

Our company has obtained 14 utility model patents, 2 national invention patents and 2 design patents, and has applied for 5 utility model patents, 3 national invention patents and 1 provincial science and technology new product.

Our company passed the ISO9001-2000 international quality management system certification in May 2008, and has obtained "Hangzhou High-tech Enterprise", "Zhejiang Science and Technology Enterprise", "Zhejiang Industrial and Commercial Enterprise Keeping Contracts and Relying on Credit", County Famous Brand "and other honorary titles.


Certifications