WorkVenture gives you an inside look at what it's like to work at A. GRADE CHEMICAL GROUP Co., Ltd., office & team photos, reviews and more. This is the A. GRADE CHEMICAL GROUP Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at A. GRADE CHEMICAL GROUP Co., Ltd..Apply to DamcoApply to Thailand ManagementApply to St. RegisApply to Nipa Technology