Pet Preform, Blowing Machine, Injection Machine manufacturer / supplier in China, offering 1810 Pco 28mm 40g Long Neck 100% Pet Preform with Matched Lids, Good Quality 1810 Pco 28mm 35g Long Neck 100% Pet Preform with Matched Lids, Wholesales Factory 1810 Pco 28mm 33G Long Neck 100% Pet Preform with Matched Lids and so on.