ສົນທະນາທົ່ວໄປ

the factories send off smokes every day plus the not qualified automobile send off smoke.

a business man called chen Guang biao started to sell its Air can..it seems that, many beijing people buy it and they really in need of fresh air.

that business man is not intend  to make any benefits from it, but want to give a warn that, the environment protection is important.