1, see the appearance

Safety of mosquito coil incense processing fine, colour and lustre is uniform, and inferior mosquito-repellent incense if rough surface of the mosquito-repellent incense, loose structure, with large particles of impurities (DDT) as at the end of the crystals are thin

2, touch

Safety of mosquito coil incense flexural strength is strong, try to break off once, easily broken, is likely to be poisonous mosquito coil incense.

3, smell smell

Chinese herbal medicine, pyrethrum mosquito repellent after fire, smoke is not strong, people can smell the scent of a natural, no pungent, giddy feeling;Mosquito-repellent incense and DDT in opened the package and the ignition process, the smell of camphor ball, wen jiu feel dizzy.

4, from the ignition point

Ignition coil with matches, pure pyrethrum mosquito repellent only yellow flame and bluish white smoke, and poisonous mosquito coil incense burning green of the flame and smoke.

5, from the mosquito-repellent incense ash to distinguish

Pyrethrum mosquito coil incense burning ash after a white, grey;And poisonous mosquito coil incense ash is dark.

6, from extermination effect analysis

Pyrethrum mosquito coil incense to mosquito toxic effect is obvious, after lit to see mosquitoes flying;And poisonous mosquito repellent lit after mosquito disorderly bump, efficacy than pyrethrum.

7, product Numbers

When consumer is buying mosquito-repellent incense, also should pay attention to whether the product has health pesticides registration number, pesticide production approval number and implement standards, etc.

We are mosquito coils manufacturer ,we make all kinds of best mosquite repellent produtcs, such as electronic mosquito repellent. We use the advanced technology for the production of insect repellent products, make it to minimize the impact on people.