Established in 1996, DHH Compressor Jiangsu Co., Ltd. brings 28 years of expertise to the air compressor industry. Our DEHAHA screw air compressor factory in Qidong City, Jiangsu Province, near Shanghai, integrates production, trade, service, and R&D. We specialize in designing and manufacturing advanced air compressors, including oil-injected and oil-free screw compressors, high-pres...