DGH not to use Chinese-made speed detectors: minister By Shelley Shan / Staff reporter Minister of Transportation and Communications (MOTC) Lin Chia-lung (林佳龍) yesterday ruled at a ministerial meeting that speed detectors must be accompanied by a signed affidavit that they contain no Chinese-made parts. The ruling came a few days after a user named “Leo” wrote on Facebook that Eastern Science and Technology Co (東山科技), a local manufacturer who supplies speed measurement systems to the Directorate-General of Highways (DGH), uses components made in Hangzhou, China, and then places its label on the devices. “Leo” said that speed measurement systems are a “massive surveillance program,” as the systems identify drivers’ license plate numbers and calculate their average speed between two points so that law enforcement can determine whether vehicles are speeding.