Hello i have the technical capacity to manufacture co2 tubes from 50w to 150w . We have our own glass manufacture and optics . We know the gas mixture . We will need from some one how got a Reci tube the technical schematic that's in the box its on a A4 paper that is the general model of the tube . We will manufacture from the inside optics , mechanics and glass . Our target is near same price like china. If some of you have some ideas and want to support will be perfect . Also we will refill synrad tube for less then the usual price .

Best regards