... CE approved, ISO9001,ISO14001Feature:1.Efficient and 30% energy saving;2.Humanized design, comfort and natural;3.Double VVVF driver , ... Specification Standard FunctionAbout usWe are a specialized supplier and exporter with its own factory covering the area ... standards of EN115, EN81, and get ISO9001, ISO14001 international authentication and CE certificates. and also with competitive price. high ...