 The DSM (Douglas Street Manufacturing) Premium Woodshop is located in Shenzhen, China, with Rodney Mullen closely involved in its production practices from its inception.DSM imports maple logs from Canada's Great Lakes region for the production of wooden skate decks.A 2013 TransWorld SKATEboarding article likened DSM's approach to the sourcing and treatment of wood; “as the sandwich shop that prepares all of their meat from the whole animal versus others who order their cuts from a wholesaler.