Guangzhou Delrains Global Trading Co.,Ltd, is one of the biggest trafficker in Guangdong.we supply mosquito coil & another products from pole to pole.This production is manufactured from top quality insecticide herbs and is absolutely harmless to human health.Our main market is Africa & middle east..if you have an interestting in our product,pls send me an E-mail, and I will confirm the best price for you.