WorkVenture gives you an inside look at what it's like to work at G.D.H. GEMS Co., Ltd., office & team photos, reviews and more. This is the G.D.H. GEMS Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at G.D.H. GEMS Co., Ltd..Apply to NAM YUEN YONGApply to ThaiPBSApply to PolymorphApply to WorkVenture Technologies