How many Varian 23ex gas pedals are there in China?

How many Varian 23ex gas pedals are there in China? Varian 23ex gas pedals are medical devices manufactured in the United States for clinical use. According to the import data provided by China Customs, China's major hospitals imported 35 Varian 23ex gas pedals from the United States. So there are 35 Varian 23ex gas pedals in China.