... and Reliable >Dear Sirs, This is Nicole from EKC Industries(Tianjin) Co.,Ltd. We are so please to introduce ourselves as ... ; forJumbo, we are first one and only one manufacture in China with America CPI technology by now. Our cylinders have got ... possible. Best Regards, Nicole EKC Industries( Tianjin) Co., Ltd. Add: No.12,Quanhe Road, Wuqing Development Area, Tianjin, 301700, China CNG steel Cylinder