Quzhou Gangchen Machinery and Eelectronic Products Manufacture Co.,Ltd,Spilt-offs from Zhejiang Gangdu Electronic Co. Ltd,.We are private high-tech enterprise on researching , producing ,selling mechanical and electrical integration. We are a professional manufacturer in automatic doors and coin acceptors. Automatic doors include automatic sliding doors, hermetic air tight doors, revolving doors, curved sliding doors, garage doors. The coin selectors can be work with vending machine, gaming machine, jukebox, coinbox, cyber cafe,shoe- cleaning machine, wash machine, and likes. GANGDU is a well- know brand in China and share 60% market.