WorkVenture gives you an inside look at what it's like to work at PTT Asahi Chemical Co., Ltd., office & team photos, reviews and more. This is the PTT Asahi Chemical Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at PTT Asahi Chemical Co., Ltd..Apply to Dental VisionApply to IntelligenceApply to PeakengineApply to WorkVenture Technologies