WorkVenture gives you an inside look at what it's like to work at Shiwa Chemicals Co., Ltd., office & team photos, reviews and more. This is the Shiwa Chemicals Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Shiwa Chemicals Co., Ltd..Apply to ThaitechcenterApply to Tourkrub.comApply to Cheese MobileApply to Thammachart