WorkVenture gives you an inside look at what it's like to work at Grung Tep Service Gas Co., Ltd., office & team photos, reviews and more. This is the Grung Tep Service Gas Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Grung Tep Service Gas Co., Ltd..Apply to ToyalApply to pashoApply to KTBApply to WV