The Leading of Pet Preform Mould & Injection System, Blow Molding Machine. Demark Holding Group with working area of 180,000 square meters and with capital of USD 50 million, is one of the most important suppliers in China, offering the proposal of PET whole line solution. It is a modern technological enterprise which combines technological design, manufacturing and marketing as one. Since established, Demark specialized in the area of PET packaging, mainly offering the clients PET bottle factory project, from preform design to bottle blowing. Our mail products include PET preform injection molding systems, PET preform moulds, PET stretch blow molding machines etc.