WorkVenture gives you an inside look at what it's like to work at Gemma International Co., Ltd., office & team photos, reviews and more. This is the Gemma International Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Gemma International Co., Ltd..Apply to KosinApply to ShobshopApply to Wishtrend ThailandApply to Siam Commercial Bank