Leaven Enterprise Co., Ltd. was established in 1984. We have been engaged in manufacturing ultrasonic pest control products, pest repellers, animal repellers, mole repellers, air purifiers, security products as well as other general consumer electronic products since then. All our products are developed based on the concerns of energy saving, environment protection and effectiveness. All products comply with CE, GS, UL, PSE, SAA, and RoHS standards. Our R&D Department continually designs new products for our existing customers and new clients.We are a US EPA registered manufacturing establishment since 1984.Your clients deserve original, better, and reliable quality pest control products.Leaven is the answer.