We are Joy Winner Enterprise Co., Ltd. First established in 1984. Our company is specilised in ultrasonic pest control devices. With over 25 years experienced in research and development, our devices now can protect your home, work place or storage effectively against rodent, insect, flea, bird, wild animal and other pests without harming them.

Our devices are grouped into 2 types: Static and portable. JWP-series are the static point defense for many customers all over the world. Also, the series have been used and approved by various companies and organizations from a range of different business, such as: Hotel, food store, warehouse, school and many others*. Our JWP-series are one of the most unique ultrasonic pest control devices available in the market. The series can operate in 10-65kHz frequency range with two unique technologies: The "Automatic Frequency Change" and "Adjustable Sweeping Speed" which can prevent rodents from getting used to a single-frequency sound by changing frequency speed over time. In addition, the output of our devices are ranging from 110-119dB so that they can cover largest area possible. Our most advance unit can cover the area up to 660 sq. Meters.

Moreover, we also have strong back ground regarding portable devices. Our portable devices include: Mosquito repeller, dog repeller, flea-free collar, pet collar and personal alarm.

Thank you for your time and patience. We are looking forward to hear from you soon.