美国Sigma Technologies  
sigma是专门制造生产等离子镀膜系统的专业厂家。其等离子镀膜系统集真空处理和大气处理为一体，同时具备等离子清洗、等离子增强化学沉积、等离子物理沉积、涂层固化等整体工艺流程。特别适用于：纺织行业、包装行业、薄膜处理、表面金属化等领域，具有生产高度集成化、操作简单、功能齐全、用途广泛等特点。

Sigma Technologies is a global leader in surface functionalization technologies that utilize environmentally friendly non-solvent and non-water based treatment and coating techniques to modify surfaces. Our technologies are utilized to make web based products such as radiant barrier materials for energy management, protective uniforms, packaging films, ultrahigh barrier materials for OLED displays and solar cells, and polymer dielectrics for capacitive energy storage, more affordable and available to businesses around the world