all sizes quoted do not include backboard glass(所有尺寸报价不包括背板 玻璃) inner diameter 20 * 30cm(内径20*30cm) inner diameter 30 * 30cm(内径30*30cm) inner diameter 30 * 40cm(内径30*40cm) inner diameter 40 * 40cm(内径40*40cm) inner diameter 40 * 50cm(内径40*50cm) inner diameter 40 * 60cm(内径40*60cm) inner diameter 50 * 50cm(内径50*50cm) inner diameter 50 * 60cm(内径50*60cm) inner diameter 50 * 70cm(内径50*70cm) inner diameter 50 * 80cm(内径50*80cm) inner diameter 50 * 65cm(内径50*65cm) inner diameter 60 * 60cm(内径60*60cm) inner diameter 60 * 75cm(内径60*75cm) inner diameter 60 * 80cm(内径60*80cm) inner diameter 60 * 90cm(内径60*90cm) inner diameter 60 * 120cm(内径60*120cm) inner diameter 70 * 70cm(内径70*70cm) inner diameter 70 * 90cm(内径70*90cm) inner diameter 70 * 100cm(内径70*100cm) inner diameter 80 * 80cm(内径80*80cm) inner diameter 80 * 100cm(内径80*100cm) inner diameter 80 * 120cm(内径80*120cm) inner diameter 90 * 120cm(内径90*120cm)

regular(常规)