WorkVenture gives you an inside look at what it's like to work at J & Ak Security System Co., Ltd., office & team photos, reviews and more. This is the J & Ak Security System Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at J & Ak Security System Co., Ltd..Apply to After YouApply to MedplusApply to Sun SeriesApply to kiwi & komkom