metal box 1.20 years experience 2.many size for this pattern 3.300*300 ,put 255*255glass,RoHs 4.delivery in time metal box300*300 BOX1,iron base,300*300mm ,thickness 0.3-0.6mm, put 255*255mm glass2,RoHs3,sell many to Europe,Asia,Africa,america4,can use to family,commerce lighting5,many size for this pattern6,can make the OEM7,use the spring to fix the glass square ceiling lamp metal base