صخرة سحق آلة للتأجير في ساري Vsi الطاحن للتأجير في الدنمارك. Vonachen Services, Inc (VSI) Vonachen Group Vonachen Services, Inc (VSI) was established in 1968 as a janitorial service company Since that time, VSI has evolved into a full facility service resource, including: janitorial,