two-step PET automatic stretch blow moulding machine consist of mechanical system,electric system,pneumatic system,etc.which including kinds of parts such as settling preform machine,automatic loading preform mechanical hand,heating part ,blowing part,unloading bottle mechanical hand. The whole process is completed by machine independently instead of manual operation which ensures bottles are more sanitary due to not polluted.It is suitable for blowing vary containers of food,beverage,medicine and cosmetic.