... , 15G,18G,21G,22G,23G,24G,25G,28G,32G,35G,38G,40G,42G,46G,48G,52G,63G,69G.30MM,15G,16G ... ,28G,33G,35G,38G38MM:22G,25G,28G,30G,32G,36G,38G,42G,46G,53G,63G,70G,80G,42MM:34G,37G,50G ... ,28g,33g,40g,60g,63g. 42mm,55g,69g PCO 28mm 38g pet preform for 1500ml bottle