Greaidea starts to open its gas water heater oversea OEM businessAug 28,2002 Greaidea starts to open its gas water heater oversea OEM business Gaoweida (Greaidea) start Gas water heater Oversea OEM business.-- Available heating capacity including: 6L/Min,8L/Min,10L/Min,12L/Min.-- Both natural gas and LPG are applicable. Previous Greaidea’s factory has passed ISO9001:2000Next Greaidea’s range hood product series get CCC certification