Delta Pyramax Enginnering introduced smart hand washing system 'Smixin' at the '2017 Macao International Environmental Co-operation Forum & Exhibition' which runs from March 30th to April. 1st at Venetian Macao Expo hall.公司在3月30日至4月举办的“2017澳门国际环境合作论坛暨展览会”上推出了智能洗手系统“SMIXIN”。