9L 4500psi carbon fiber composite diving scuba oxygen tank

       Qingdao Hsborn Industry and Trade Co.,Ltd located in Qingdao .we has years of production experience and has a modern enterprise of production ,sales ,after-sales and one-stop service.Our Products are widely used on industries and fields like oil,chemical,electronics,aerospace,medical and health,environmental science and technology,biological engineering ,food,millitary industry,power generation,metallurgy etc.
so far our products are successfullu selling to more than 30 countries or region in the world where we gained wide compliment and good reputation .such as germany ,France,Sweden,Japan,Russia and so on .