WorkVenture gives you an inside look at what it's like to work at THAI HENG FOUNDRY AND MACHINING (1999) Co., Ltd., office & team photos, reviews and more. This is the THAI HENG FOUNDRY AND MACHINING (1999) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at THAI HENG FOUNDRY AND MACHINING (1999) Co., Ltd..Apply to ManulifeApply to Food PandaApply to PaitanglifeApply to WorkVenture Technologies