صخرة محطم للتأجير ملبورن. Vsi الطاحن للتأجير في الدنمارك. Vonachen Servs, Inc (VSI) - Vonachen Group Vonachen Servs, Inc (VSI) was established in 1968 as a janitorial serv company Since that time, VSI has evolved into a full facility serv resource, including: janitorial, healthcare .