Youdaoplaceholder0 Contact killers : By spraying or fumigating with smoke, the drug reaches the surface of the cockroach's body and kills the cockroach through contact with its body. Common products include aerosols, insecticidal powder and smoke bombs
Youdaoplaceholder0 Stomach poison killer : is mixed in a certain proportion with bait, attractants, preservatives, etc. to make a toxic bait that cockroaches love to eat to kill them. Common products include granules and gel baits