Pointe's insect repellent is cheap because of its low cost, good sales and unanimous praise, so the price is relatively cheap. Pointe is a professional brand of pet medicine, English name Puainta, which has been trusted by pet hospitals and pet owners for ten years. It has extraordinary R&D strength and several R&D production bases [18]. In 2007, it established a company in China and registered its trademark, belonging to Changsha Pute Biotechnology Co., Ltd.