KUOYUH W.L.ENTERPRISE CO. LTD. was founded in 1991,which specialized in engineering,developing, producing and selling the Thermal Circuit Breaker products ( Circuit Breaker is also called restorable switch,over-current protector) ,It'll power off to avoid any damage on the condition that the circuit is overload fuse,the circuit breaker is widely used in Appliance,UPS,Eletric implements, Cord-connected power taps, Transformer etc. Ten years continuous research and development,At present we have owned the furtherest technology ability and management ability,as a professional factory producing circuit breaker ,we also have owed excellent engineering and developing person. our branch factory-KUOCHENG Electronic(SZ)Co.Ltd. which founded in 2003 in ShenZhen,branch factory are engaging in developing AR Series circuit breaker which is no production company in the market at present.(has succeeded and produced them now) ,KUOCHENG has passed successfully International Quality Standardization,that is :ISO9001:2000. The major products of KUOYUH Company as follows: 88 Series, 98 Series, 91 Series, 92 Series, 97 Series, AR Series, AR2 Series, 98H Series, 88A Series, 16 Series, 102 Series etc. Excellent Quality, regardless of the outer design or the capability, our circuit breakers can meet the market throughout the world. All of our products have UL,CSA,VDE, TUV Approvals and are popular all over the world.KUOYUH is well-known in the world market, and has established cooperation relationship with many famous factory. 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 go into mutual benefit business relationshio with you to welcome our colorful tomorrow.