450 7th Ave #811 New York, NY 10123, United States (212) 563-2400 [email protected] http://www.chynnaconcrete.com/ Do you need affordable and dependable concrete solutions for your property? For over two decades, Chynna Concrete has provided concrete polishing, staining, and retrofitting services to customers throughout New York City and the Tri-State area. When you want high-quality concrete polishingworkmanship done efficiently and correctly, these professionals promise to use state-of-the-art technology and... read full review »