ray ban sunglasses outlet From the domestic production, although the final product process compared with the international brand, the gap is not large, but the style, technology, mold or purchased from abroad, domestic enterprises can only earn a little bit processing fees. With the rising of domestic raw materials, labor costs are also rising, low cost strategy for the survival of the Chinese glasses industry for many years, is not sustainable. The problem of backward production technology, brand concentration, lack of innovation, competitiveness is not strong, seriously restricting the healthy development of the industry and China glasses bigger and stronger.