Zongshen Zunhao Prince 150 is an injector. The main parameters of Zongshen Zunhao Prince 150 are displacement (ml), 149. Number of cylinders (unit), single cylinder. Type (ejector pin/chain), ejector pin. So Zongshen Zunhao Prince 150 is the ejector. "Zongshen" is a national well-known trademark, and Zongshen's products are famous brands in China, and it is the first in the same industry in China to obtain the title of "National Inspection-free Products".