Company Profile Dalian Seaside Door Controlling System Co. Ltd Founded in 1998, one of the largest specialized companies engaged in the producing of garage door opener in China. Holding the market share in China more than any other companies the same industry. Seaside is the only company who get the UL certification. For years we update the garage door opener products, based on the marketing demands form our market research. The excellent develop and research team make SEASIDE to be the lead brand in the garage door opener field. With over 10 years’ experience, we have been providing all kinds of state-of-the-art garage door openers, such as 9357, 9367, series, FR, SG, SEASIDE series industry door opener and tubular motor, fast shutter controller etc. Besides, we enjoy a strong R&D team, based on advanced technology and outstanding experience. Since foundation, SEASIDE garage door opener sales spread to abroad, and increase every year. We got a high speak of SEASIDE from our client.