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. All our products are developed based on the concerns of efficient power, environment protection and effectiveness. All products comply with CE, GS, UL, PSE, SAA, and RoHS standards. Our R&D department continually designs new ...