Contact

Administrative Office Location（US）

Email: service@massgass.com

Phone: +1 774-240-6024

Hours: Always open

Address:  85  MIDDLE RD #1065, HUDSON, New York, US

Office Location（CN)

Email: service@massgass.com

Phone: +86 193 1311 2576

Hours: Always open

Address:  Room 4002, Office Building No.2, Institute of Light Industry, No.001, Xincun, Yangtianhu Zheng Street, Tianxin District, Changsha City, Hunan, China