WorkVenture gives you an inside look at what it's like to work at Sonsyn Devolopment Co., Ltd., office & team photos, reviews and more. This is the Sonsyn Devolopment Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Sonsyn Devolopment Co., Ltd..Apply to Z trueApply to CBREApply to OffpeakApply to WorkVenture Technologies