http://pastport.jp/user/speedapcb ja-JP SPEEDA Technology was founded in 2014, located in Changsha City, Hunan Province. It is an electronic technology company formed by a team with an average of 10+ years of electronic industry experience. 2020-10-15T15:19:26+0900 http://pastport.jp/user/speedapcb/timeline/Hunan%20Speeda%20Technology%20Co.%2CLtd. speedapcb http://pastport.jp/user/speedapcb/timeline/Hunan%20Speeda%20Technology%20Co.%2CLtd.