Our company is a optical instruments supplier,and could mainly supply two serial of trial lens sets: plastic rim (SL), metal rim (JS). The type include 266, 232, 158, 104, 48pcs etc. .Trial frames are also available with different types.We passed ISO9001: 2000 and got the CE certificate. Our trial lens sets and trial frames meets ISO 9801:1997. We have exported our products to US, Europe, Japan, etc, and enjoyed great repution among the clients.