WorkVenture gives you an inside look at what it's like to work at D.n.k. Speed Sales & Service Co., Ltd., office & team photos, reviews and more. This is the D.n.k. Speed Sales & Service Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at D.n.k. Speed Sales & Service Co., Ltd..Apply to PrimeApply to mitsui&coApply to BTL MedicalApply to WV