WorkVenture gives you an inside look at what it's like to work at Diethelm Keller Logistics Co., Ltd., office & team photos, reviews and more. This is the Diethelm Keller Logistics Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Diethelm Keller Logistics Co., Ltd..Apply to Total Engineering SuppApply to Tisco BankApply to FactoriaApply to WorkVenture Technologies