Nanjing Ocean High-Pressure Vessel Co., Ltd. is specialized in producing all kinds of seamless steel gas cylinders. Our company, located in Nanjing Zhongshan Technology Park, covers about 40,000 square meters. We are the only company who can manufacture gas cylinders in Jiangsu Province. Our products serve a wide application in chemical industry, fire fighting, petroleum industry, energy, city construction, food process, metallurgy, mechanics, and electronics.To comply with the international standard, our company is equipped with the advanced production lines, such as medium frequency heating...