Where is the largest air compressor base in China?

Quzhou, Zhejiang. Quzhou, Zhejiang Province has formed an industrial chain integrating R&D, air compressor manufacturing, production and sales and drilling machinery industry, forming the largest air compressor industrial base in China. Quzhou is a prefecture-level city under the jurisdiction of Zhejiang Province, located in the Yangtze River Delta, the western part of Zhejiang Province, the upper reaches of Qiantang River and the western end of Jinhua Quzhou Basin.