Since 1991, KUOYUH W.L. Enterprise has specialized in engineering, developing, producing and selling the Circuit Breaker. After over 10 years continuous research and development work in this field, we have owned the further technology ability and management ability, as a professional producing thermal Circuit breakers. All of our products have UL, CSA, VDE approvals and are popular all over the world. KUOYUH is well known around the world and has established cooperation with many famous factories. At present, we can produce 30,000,000 PCS each year; the turnover has reached USD 6,000,000 each year. We offer many kinds of Circuit breakers, excellent quality and satisfactory service to our customers. Sincerely hope we can establish long-term mutual business relationship in the near future.