KMC Chain Industrial Co., Ltd. is a roller chain manufacturer headquartered in Taiwan, R.O.C. with corporate entities in the US, Continental Chain Company, and Europe, KMC Chain Europe BV. They make cam driving chains, balance driving chains, oil pump chains, motorcycle chains, and industrial chains. They manufacture and market bicycle chains and master links under their own KMC brand and supply them to others, including Shimano. KMC chains are used in the Tour de France by riders such as Gustav Larsson, Swedish time trial champion. KMC was founded by Charles Wu in 1977, and was the largest bicycle chain manufacturer in the world in 2011.