[IEEE IEMC 96 Proceedings. International Conference on Engineering and Technology Management. Managing Virtual Enterprises: A Convergence of Communications, Computing, and Energy Technologies - Vancouver, BC, Canada (18-20 Aug. 1996)] IEMC 96 Proceedings. International Conference on Engineering and Technology Management. Managing Virtual Enterprises: A Convergence of Communications, Computing, and Energy Technologies - Product development strategy for small and mid-sized air-conditioning enterprises in China