Valen Zheng

CTG is the world leader in aqueous parts washers with experience providing parts washers to industrial and precision parts manufacturers for over 100 years. We provide parts washers of various designs, including ultrasonic cleaning systems, spray washers and immersion cleaning systems as both pre-engineered platform products and custom designs. Our team’s vast application experience ranges from in-process cleaning for the automotive industry to final cleaning of precision parts for the most critical medical implant manufacturers. With our wide breadth of experience in nearly every kind of industrial parts washer application, we deliver the latest and most cutting edge cleaning technologies available today to our customers. We operate with 3 divisions: BLACKSTONE-NEY ULTRASONICS (Jamestown, NY): BNU is a recognized leader in ultrasonic generator technology. BNU's credits include the development and patenting of the 1st highly efficient piezoelectric transducers; ultrasonic devices for use in urology and cardiology; the 1st large scale ultrasonic solder pot; and auto-tuned, solid state ultrasonic generators. Today, a broad spectrum of ultrasonic technology is available to meet the specific needs of a growing list of applications. RANSOHOFF (Cincinnati, OH): Ransohoff has over 90 years experience in aqueous cleaning technology with an installed base of over 15,000 machines worldwide. As the leading manufacturer of aqueous and solvent based parts cleaning, systems include: spray, immersion, and ultrasonics, in both standard and custom designs. A complete line of recyclable aqueous chemistries and waste minimization technologies is also available. CTG ASIA (Suzhou, China): CTG Asia was formed in 2007 to provide a combination of the technologies offered by Ransohoff and BNU to markets in Asia and around the world. CTG Asia provides a full range of parts washing solutions utilizing ultrasonics, megasonics, spray and immersion cleaning.