... :Globally distributed 8 plants, flexible manufacturing&supplying systemWidest range of steel cylinders from 1 liter to 3000litersThe largest producer and ... steel cylinder in 1976. We are the largest Producer of CNG Cylinder in Asia Professional, Safe and Reliable EKC ... (Tianjin) Co.,Ltd. -factory Add: Room 1203, Business Building OF Jingguang Center, Beijing Add: No.12,Quanhe Road, Wuqing Development ...