WorkVenture gives you an inside look at what it's like to work at Rattanakosin Chemical Co., Ltd., office & team photos, reviews and more. This is the Rattanakosin Chemical Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Rattanakosin Chemical Co., Ltd..Apply to integrationWorksApply to Tisco BankApply to OpenriceApply to Thai Foods Group