WorkVenture gives you an inside look at what it's like to work at Roots Engineering (1999) Co., Ltd., office & team photos, reviews and more. This is the Roots Engineering (1999) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Roots Engineering (1999) Co., Ltd..Apply to Prova S.AApply to Double v spaceApply to park&gardenApply to vivo