Diopter(△): (VB15) 1,2,3,4,5,6,8,10,12,14,16,18,20,25,30
(HB16) 1,2,4,6,8,10,12,14,16,18,20,25,30,35,40,45
Shanghai Jianongda International Group
No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
0086-21-5740-7426/6715-8578
info@jianongda.comjianongda@vip.sina.com