I have an invention on self-rescue  in storied-building fire,it`s simple and it really works . I believe it must be worth your investment .  

For more care for lives ,for you and your families maybe need it someday .

If you are investors ,please carry it out .

If you are government officers ,please pay a little attention to it .

If you are professionals ,please give me suggestion about my design or let`s go along with it .

If you are readers ,please tell others about it .

If you want to tell me something ,please click

huozaizijiu999@yahoo.com.cn

                                                                God bless the world !