Quzhou Gangchen Machinery and Eelectronic Products Manufacture Co.,Ltd are Taiwan joint venture high-tech enterprise on researching ,producing automatic door,automatic sliding doors,automatic doors operator,access control,door accessories, Automatic doors include automatic sliding doors, hermetic doors, revolving doors, curved sliding doors, microwave motion sensor, door sweep brush, automatic curved sliding door, infrared photocell, automatic door locks, touch sensor, boxer machine, automatic sliding gate motor,automatic door ,garage door, sliding door, revolving door, air-tight door , door accessories. Automatic Door Sensor, Contactless Switch, Remote Control, Push Button, Automatic Door Safety Beam, Microwave Sensor,Password access control,infrad sensor, door clamper, electric bolt,multifunction expansion board, Automatic sliding doors system, hermetic airtight door ,garage door , revolving doors, Access control ,Contactless Switch, Remote Control, Push Button,Safety Beam, Microwave infrad Sensor,Password access control, door clamper, electric bolt,multifunction expansion board. MENWAN is a well-know brand in China, share 60% China market. We have branch company &distributors in Major China cities and have exported products to Europe, South America, Middle East, Southeast Asia, South Africa etc..