Crushing Screening Services may collect information from our users at several different points on our website. General enquiries If a user contacts Crushing Screening Services with a general enquiry, the user may need to provide Crushing Screening Services.Crushing Screening Contractors. With the growing need for minerals and resources, Manchester Demolition have expanded to provide specialist solutions for all mining and quarrying requirements. Manchester Demolition provide a complete range of hard and soft rock crushing solutions. With a large modern fleet of heavy machinery alongside.