Los Angeles-based venture fund Siemer Ventures, the early-stage, venture capital investor run by David Siemer and Eric Manlunas, has funded Tradesparq, the operator of an Asian, B2B marketplace that matches volume buyers and suppliers. Financial terms of the investment were not disclosed. Siemer disclosed the investment to its supporters in an email this week. Tradesparq is based in Shanghai and Hong Kong. The firm's online service helps buyers find and source products using social networking, product categories, industries, and other factors. More information »