Yonghua company is a group that involved in businesses including small Electrical appliances, Electrical cords, Auto accessories and bicycle parts. Set up in 1990 with a family workshop making screw driver, now we have 5 subsidiary companies manufacture different products. Our customers have reached all over the country and the world.As 1 of best factories in industry focusing on RV power cordconvert adapterSRDT power cord,with 21 years history. With dozens patents on design, is one of the reason why we can stand out in the market. For better service and more efficiency communication,we set office in Indiana. Our strength is that, as a group company we have our own plastic factory and metal company, so we can ensure you a systatic quality control! Excellent staff severing you in Hangzhou,China and Indiana,USA for better understanding you and good communication, instant solution. ETL&UL for all products Less