Find prescription eyeglass suppliers in China

The requirements of the project are: 1. Find economical, reliable wholesale manufacturers/suppliers for prescription lenses for eyeglass frames in China. 2. Find economical, reliable wholesale manufacturers/suppliers for optical/eyeglass frames in China. (Should have wide range of choices). 3. Make sure they are physically or logistically close to each other and find a way that the frame supplier can easily send the frame to the lens fitter/supplier. Talk to 10 such suppliers of eyeglass frames and obtain their catalogs. The cost of their frames should not exceed 7$ & they should have at least 100 frame models to choose from. Talk to 10 suppliers of lenses who provide fitting service as well. - The MOQ(minimum order requirement) of supplier should be less than 50 frames/pairs of glasses per month.