We are a manufacturer of making flashing (fiber optic) advert gift and flashing(fiber optic) cap in China. In China, we are the  best and headmost manufacturer  making the flashing cap ,whether the price ,the quality ,and the deliver time, we make the flashing logo on the caps by machine, so we complete order approx 200000pcs caps one month  in midseason  ,and our flashing logo is better than other manufacturers, almost our  products  export many countries in the world every year ,foreign customers are very  interested in our products.