WorkVenture gives you an inside look at what it's like to work at Sonix Youth 1999 Co., Ltd., office & team photos, reviews and more. This is the Sonix Youth 1999 Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Sonix Youth 1999 Co., Ltd..Apply to PassaApply to 11StreetApply to LinApply to KTB