Guangzhou Zhongda 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.