Solar glass Panel is mainly used in front board and back board of solar battery, based on 3mm tempered ultra clear pattern glass or ultra clear float glass. Production Capacity: Thickness: 3mm Max size: 4000mm x 1600mm Min size: 300mm x 300mm Thank you Kathy EMAIL; kathyzhaomirror@gmail.com MSN: rosebushy@hotmail.com SKYPE; rosebushy