Some of the SYM scooters are manufactured in chinaXiamen Xiashing Motorcycle Co., The Fiddle, SYMPLY and Vogue models that are imported by Carter Brothers for the USA are all manufactured in China.

http://www.xsmt.com/en/main.aspx

Other models are manufactured in Taiwan, like the 150 Classic, which also goes by the model name Wolf.
The Classic 150cc is EPA Compliant as of 2011. Its rated at 12.5HP @9000 RPM