<P>Ouhai Avenue, Wenzhou City,Wenzhou Dahua Electric Machine Co., Ltd. is a high-tech enterprise specialized in research, development, production and distribution of automatic control system and mechanical and electrical integration with over twenty years of experience.<BR> The angular travel DH series electric actuator complete series provided for butterfly valves and ball valves in domestic and international market have function of random adjustment of return angle within 0°-360°. The product has such characteristics as excellent quality, convenient adjustment and installation, beautiful appearance, intelligent control and prominent performance etc.<BR> The company is the first one in the industry that has thoroughly solved the problems of contacting apical angle and tooth-breakage of 90° sector copper worm gear, which always occur in the connection of butterfly valves and ball valves, by adopting special materials and military manufacturing technology. The product is made of high quality environmental protection fittings from domestically and internationally famous enterprises. With low temperature, low noise, large torque, gear trains of super abrasion resistance and reliable IP68 protection, it can satisfy your requirement of using all the day.<BR> The company is equipped with many technicians with many years of experience in successfully researching, developing and manufacturing automatic control system and electric actuator as well as mechanical and electrical integration. Now, our well-trained personnel team are capable of freely using electronics, electrical appliances, mechanical manufacturing and computer application technology etc., casting DH series product into product of famous brand.<BR> With our improving product, we are wholehearted to provide excellent service and reliable reputation to welcome new and friends to create brilliant future with us jointly.</P>