Founded in 1998, Dalian Seaside Door Controlling System Co. Ltd isone of the largest specialized companies engaged in the producingof garage door opener in China. With over 20 years' experience, wehave been providing all kinds of state-of-the-art garage dooropeners, such as Seaside C/E/M/N/S series,SM, industry door openerand tubular motor, ect. Besides, we enjoy a strong R&D team,based on advanced technology and outstanding experience.Have passed the certifications of ISO9001 and UL, TUV, CE, ROSH,etc., the garage door openers in Seaside have been guaranteedexcellent product quality and a perfect service system. Theprocessing of all garage door openers is governed by strict qualitycontrol systems."Quality first, credit premium" is our principle. We are alwaystaking quality as our life, taking customer as our center.Therefore, we have got good reputation both at home and abroad.