Smaco scuba diving gear has been tested, innovated and tested over tens of thousands of times. All our materials are absolutely environmentally friendly, safe and durable. After three years of continuous research and development, Smaco diving tank equipment  began to target the market and consumers, and our products applied for technology and appearance patents. This not only means that we can make a serious quality and after-sales commitment to consumers, but also show our determination to defend the fruits of our labor.