Jewel Changi Hsbc Rain VortexDucting works for a new retail store at Jewel ChangiServices provided:Design and install ducting to supply air fan coil unitsSupply and installation of diffusersChilled water ducted system Installation Of Round Diffuser In A Retail Shop Hsbc Rain Vortex At Jewel Installation Of Round Diffuser For Air Outflow Ducting Distributing Air From Retail Unit’s Fan Coil Units Securing Round Diffuser To Ceiling With Silicone Seal