Our 38g(50cc),45g(60cc) co2 cartridges can afford more than 10 times the pressure of co2 gas!There are no oil stains on the inside of our cartridges!(we can send you the video ).Each of our cartridges will undergo a 70ºC water blasting test. After the production of cartridge is completed, we will weigh each cartridge on the equipment assembly line !(we can send you the video ).You can see the manufacturing process of your product and the quality standards on each step.If you are the user, you can rest assured of the quality of your product.If you're a middleman, this is the most powerful service for you!! These high-performance 38g(50cc),45g(60cc) CO2 cartridges can work with horse riding airbag ,life jacket,motorcycle airbag, etc. Manufactured with the highest level of precision and quality, these cartridges meet and exceed the consumer safety specification standard of CE,UL and TUV, and are 100% tested for heat and burst safety High quality precision grade manufacturing with world leading equipment.It is the authoritative product of 38g(50cc),45g(60cc) co2 cartridge. We are original equipment manufacturer for many world famous brands. So we can meet any brand of 38g(50cc),45g(60cc) CO2 cartridge you want,Your kindly inquiry is welcome.