... COOL in the sun, why not...LA COOL eyewear - brand series of JK Optical Co Ltd, one dynamic & cohesive team who ... for our partners to expand markets together. We JK Optical will be your strategy partner to make something together.Sincerely ... No.056B. Beijing Optical Fair, Sept. 14 to 16, Beijing International Exhibition Center, China. Booth - C323-C328, Third floor, Hall 1 Fashion Eyewear Frame