Shanghai Joy Imp. & Exp. Co., Ltd.Shanghai Joy, established in 2007, which is specializing in providing gas cylinders and relevant equipments such as valve, regulator, cap and steel pipe for the gas filling. As an enterprise with over 15-year experience, we can design, manufacture, perform OEM, and provide gas cylinder project solutions and technical supports as per your requirements and standards. Meanwhile, we can offer you a full range of services such as packaging design, certification by third party and transport by air, by sea or by land. ···