our factory have manufacture resin lens have 15 years experience.and we have through xxxxx xxxxx have professional product lens factory.we have 5 machining lens xxxxx day can manufacture 5000pair xxxxx producter as follow1.1.49 HMC HC2.1.56 HMC HC EMI xxxxx3.1.56 progressive lens. semi-finish .finish(long corridor.short corridor)5.1.56 photochromic lens.bifocal xxxxx6.1.61 hi index resin lens.