WorkVenture gives you an inside look at what it's like to work at Grand Jongwat Packing Co., Ltd., office & team photos, reviews and more. This is the Grand Jongwat Packing Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Grand Jongwat Packing Co., Ltd..Apply to MasuvalleyApply to Krungthai Car RentApply to PSP SealingApply to Honda