65 Find a Dealer Near You Just type your. 10541 CALLE LEE, SUITE 119 LOS ALAMITOS, CA 90720. To register for your new Piano warranty Click Here. There are several grand pianos with parts made in China. While Young Chang does build a large portion of their total production in Korea, (they also own and operate a large factory in Guangzhou, China with piano production that exceeded 100,000 units during 1999.) These pianos are sold throughout the world bearing the Young Chang name, but sold in the United States under the brand name Pramberger. Young Chang manufactures pianos in several locations for distribution throughout the world. Young Chang Piano Age Serial Number Lookup.
