各种包装机械象雨后春笋般在市场上不断出现，并以高速蓬勃发展，尤其是采用塑料瓶包装后，发展更为迅猛。这样就给吹塑成型机的销售市场增添了新的活力。如各种饮品饮料行业、化妆品行业、副食品行业。化工行业等等大都用聚酯瓶作为包装。但却不知聚酯（ＰＥＴ）管坯在采用二 A variety of packaging machinery have mushroomed in the market continue to emerge and flourish at high speed, especially after the use of plastic bottle packaging, the development of more rapid. This gives the blow molding machine sales market has added new vitality. Such as various drinks beverage industry, cosmetics industry, food industry. Most of the chemical industry with polyester bottles as a package. But I do not know polyester (PET) tube in the use of two