DONGGUAN SAIWIN ELECTRONIC TECHNOLOGY.,LTD is a professional manufacturer and trader specialized in the research, development and production of Fuel Liquid Level Sensors; Plastic Float Switches; Steel Float Switches; Proximity Switches; Magnetic Door Switches; Flow Switches/Sensors; Gauge Series; Hardware; Nonstandard Liquid Sensors.We are located in Dongguan City Guangdong China with convenient transportation access.All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.