Hengshui Huanya Bellows Technology Co.,ltd was established in 2000 and located in Hengshui, Heibei Province, China. It is a professional and leading manufacturer and exporter of gas corrugated pipe, corrugated tube of solar water heater, air bellows, metal hoses, compensator, expansion joint, flexible joint, rubber joint, ect for over 10 years.We have achieved ISO 9001 and CE quality system certification and Manufacture License Of Special Equipment Peoples's Republic Of China.Advanced technology,good quality,reasonable price and good after-sales service,let us become the industry's leading brand!