日韩av在线免费观看 I 亚洲看片 I 日韩中文字幕无砖 I 日韩欧美一级 I 日屁视频 I 欧美偷拍视频 I 性欧美视频 I 亚洲香蕉 I 久久久福利 I 国产无限资源 I 色综合99久久久无码国产精品 I 精品一二三四 I 九九热国产 I 久久久久成人精品免费播放动漫 I 深爱婷婷 I 性迷宫在线 I 欧美狠狠 I 极品毛片 I 黄色激情视频网站 I 日本视频免费观看 I 亚洲欧洲在线视频 I 哪里可以看黄色 I 九九色影院 I 天天爽夜夜爽夜夜爽 I 国内福利视频 I 久草香蕉视频 I 夜夜春影院 I 奇米网7777

The company has a 100,000-level purification workshop, equipped with 2 flat high-speed equipment, 20 KN95 equipment, 4 meltblown wiring, and a full set of testing equipment such as salt and oil filtration testing equipment, blood penetration meter, respiratory resistance tester and tensile tester. The factory quality of each mask is improved to protect the safety of consumers.

1. Medical disposable mask 

Description: It has a three-layer structure: 1 layer of meltblown fabric, 2 layers of non-woven fabric, and the filtration performance reaches ffp2 standards. The non-woven fabric and meltblown fabric are all produced on-line by our company, and the quality is all tested in real time. In line with national standards and domestic medical standards.

2. KN95 mask
Description: It has a 5-layer structure: 2 layers of non-woven fabrics, 2 layers of meltblown fabrics, 1 layer of hot-air cotton. The product categories include built-in nose bridge strips, external nose bridge strips, external valves, and internal valves. In line with national standards, EU CE standards, the products sell well at home and abroad.