Savvy enviro-tech limited aim at buy and sell energy saving products and solutions. We now have a lot of 2nd hand/used high pressure sodium lamp and ballast, which are mainly 150w and 250w. Those goods are used by the link real estate investment trust (hong kong stock code:823).In addition, we sell & supply lighting products, like energy saving bulb, t5 & t8 elelctronic ballast, lighting fixtures etc.Please feel free to contact us for any enquiries.