“I would like to express my thanks to DSW for providing an excellent service when completing chilled water system flushing and dosing.”  Gerhard Bernard  Royal Automobile Club, Pall Mall

“Your team are always very polite on site and feedback from our customers is great.”  John Powis  Nicholson Plastics

“It is my pleasure to recommend your services and confirm that we look forward to continuing our working relationship with you.”  Jim Pitts  ANdAZ Hyatt

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