WorkVenture gives you an inside look at what it's like to work at Opticana Silom Co., Ltd., office & team photos, reviews and more. This is the Opticana Silom Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Opticana Silom Co., Ltd..Apply to MetrixApply to WEApply to Bliss telApply to WV