A: Do you have a pesticide registration certificate?
B:Yes,we have.

A: What are the advantages of the black mosquito coil?
B: Cheapness,No power required.

A: What are the specifications?
B: There are 125MM/130MM/138MM/145MM. But we can also do OEM.

A:How many hours can it burn?
B: Determine the burning time, according to the size of the mosquito coils.

A: How long can I use it?
B: Determine the burning time by size.

A:How about packaging?
B:5 double coils with 1 metal stand?