The spherical silica materials mask with the most advanced international technol logy

the face piece has a wide and bright field of vision,good air

tightness and can join and separate with the supply valve

quickly.the supply valve has a big ventilation flow capacity,

breathe easily,safe and reliable residual air alarming equipment,

which is audible evening noisy place.

High strength but low weight carbon fibre composite bottle,

Well-designed and comfortable carbon firbre backboard,with

Adjustable and uick-fastened waist and shoulder belt.