The company existing staff of nearly 500 workers,workshop area of 5000 square meters. The company strictly according to ISO-9001 quality system requierments of oprer- ation,has many people of several years research and production experience,professional and technical personnel to provide strong quality assurance products.My company product has low noise, big air volume,lowpower consumption, long life good stabil-ity and temperature characteristics well, adapt to the advantages of voltage wide.The production has obtained:UL/CE/SGS safe authoritation and so many International Certification. The choice for the customer to provide a reliable guarantee