Waste, Oil & Fat Collection North Wales and North West | NSO Oils 4 years ago ID: #20527 Listed In : Food The Mount Pen-Y-Maes 01352 719 444 https://www.nso-oils.co.uk/ Business Description Established in Holywell, North Wales, NSO Oils Ltd is a thriving family run business who always strive to offer dependable and efficient service to our extensive number of clients within the catering industry. Reviews & Ratings Write a Review No Review. Please login / register to add your review.