WorkVenture gives you an inside look at what it's like to work at Promphiphat Contractor Steel Co., Ltd., office & team photos, reviews and more. This is the Promphiphat Contractor Steel Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Promphiphat Contractor Steel Co., Ltd..Apply to Tarali SpaApply to UBGApply to SretsisApply to Line