WorkVenture gives you an inside look at what it's like to work at SERMSANG (1991) Co., Ltd., office & team photos, reviews and more. This is the SERMSANG (1991) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at SERMSANG (1991) Co., Ltd..Apply to RisoApply to Sunny SystemApply to SoulmateApply to WorkVenture Technologies