'Golden Roc' trade mark micro-smoke mosquito-repellent incense is used to prevent malaria.The product is made up of high-grade raw materials.In its production, recent international technology,including advanced spray-paint technology were employed.The product has a powerful effect against mosquitoes .It does not easily absorb moisture,and does not break easily in separation. The product has a pleasant fragrance when lighted,It is suitable for use by the aged and children.