Folding design, wide open to speak easily. closed to different facial sizes. Easily to fold and carry. Easy-breathing exhalation valve with silicon piece inside designed to facilitate air exchange, increase worker comfort.
Add.office：1-11-C, No.8 Building, C Section, Jinhe Garden,
Wuhan Economic and Technological Development Zone, Zhuankou,Wuhan China.
Post Code：430056.Tel: 0086-27- 84252142 027-84252077