At Intersolar EU 2011, ZG-CELLS launches an upgraded module series named "Flashing Series Modules" with "Gold Tolerance", on the purpose of responding our clients with more benefits. "Flashing Series" is boasted for the assurance on tolerance performance. Our clients are mostly concerned with project systematic stability which would be damaged by degradation onconversion rate and power output. "Gold Tolerance" for "Flashing Series" is offering clients with real benefits by positive tolerance, which is actually double securing module quality in order to upgrade project stability for our clients.