High Quality Wholesale Sunglasses Lenses Single Vision Custom Polycarbonate PC Lenses for Sunglasses Injection polycarbonate lens, which we often called PC lens, is the most often used lenses for sunglasses and safety glasses. It is made by injection with material of polycarbonate. It is very good in anti-scratch and anti-impact. And the cost is economic, so it is nice option for most of the sunglasses. Most of the safety glasses lenses are injection polycarbonate lenses.
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