Compound Cylinders for Air Breathers

Factory Directly Supply Carbon Fiber Cylinder 300 bar Breathing Cylinder Air Cylinder

Pressure Gauge

produces portable gas cylinders through advanced technology. Compared with conventional respirators, we use aluminium or aluminium composite cylinders instead of steel ones, with weight reduction of 40%-70%, so they are more preferable for people with breathing problems.

Gas cylinder introduction:

Gas cylinder liners are made of high quality 6061 aluminium alloy materials. The manufacturing procedure includes punching, drawing, heat treatment, CNC flow forming spinning, inner surface treatment, etc. The wall thickness is uniform with little difference. The shape of shoulder and base are produced with high precision and consistency.
  1. Durable for 15-year ; 

  2. 5-year requalification period;

  3.  Smooth, high quality, easy-care exterior finish.

Factory Directly Supply Carbon Fiber Cylinder 300 bar Breathing Cylinder Air Cylinder


Norminal Working


Hyd.test Pressure


Water Capacity


Outer Diameter






1.2LEN 12245:20093004501.21162130.69

International uniform red mouth can be used with different accessories, easy to use

The bottle body is made of high-quality fiber winding, seamless design, portable and safe, and good pressure resistance

The wall thickness difference is small, the shoulder bottom arc is high, and the accuracy is high

Factory Directly Supply Carbon Fiber Cylinder 300 bar Breathing Cylinder Air Cylinder

This air respirator can be widely used in fire fighting, diving, petroleum, chemical, metallurgy, electric power, shipbuilding, military, police and other industries. It's an self-contained air breathing apparatus for people who work in the environments with oxygen deficiency, toxic gas etc. While use, the pressure within the respirator mask is always slightly higher than the external pressure, which can effectively prevent toxic or harmful gases penetrated the mask.  

Factory Directly Supply Carbon Fiber Cylinder 300 bar Breathing Cylinder Air Cylinder


    Q1: Are you manufacturer or trade company?

    A1: We  are a Chinese manufacturer, and have been specializing in manufacturing gas cylinders for more than 10 years. Our company brand is “LD”.

    Q2: What is your daily production capacity?

    A2:  Our production capacity everyday is 800~1000 units.

    Q3: What is your delivery time?

    A3: Usually our delivery time is 25-45 days against the advance payment. Mainly it depends on when we get the production materials.

    Q4: What certificates do you have?

    A4: We have ISO9001 and IATF16949 for management system, and ISO9809, ISO11439 and ECE R110 for production approval.

    Q5: Do you accept OEM production?

    A5: Of course, we have served several famous motor OEMs, such as TOYOTA(Thailand)-Thailand, IKCO-Iran, GAZ-Russia, DF-China, and FOTON-China, etc. We would like to serve more customers with our superior quality.

    Q6: Can you provide samples to us? 

    A6: Yes, we can provide 1-2 samples for your testing freely, but you need to undertake the logistic cost firstly.

    Q7: Can you customize the products?

    A7: Yes, we can provide you with various customized products. For example, your company brand/logo, different accessories and your favorite colors.


+86 15705563911


+86 139 8975 3612

No. 318, Guanyin Road, Economic Development Zone, Anqing, Anhui, China

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