WorkVenture gives you an inside look at what it's like to work at KEEN & J ENGINEERING Co., Ltd., office & team photos, reviews and more. This is the KEEN & J ENGINEERING Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at KEEN & J ENGINEERING Co., Ltd..Apply to DiakritApply to Brand NowApply to Three Months RetailApply to WorkVenture Technologies