NUPI Sales Manager David Tsou organized a training for NUPI distributor in Singapore for the SMARTFLEX system. SMARTFLEX is a complete multilayer piping system for the transfer of automotive and aviation fuels, biofuels and hazardous fluids. The system has many international and local approvals and is already used and approved by major international petroleum companies, in response to whose needs it has been conceived, developed and successfully launched into the market.