ruian electron technology development co., ltd was established in 2009 and has become a renowned organization over the years. Ruian Electron Technology Development Co., Ltd is a leading exporter, retailer in China offering high quality electric door closer, fire door closer linkage , normally open door closer , automatic fire door release device etc. Also, our success can be evaluated by considering our annual revenue of Below US$1 Million. Currently, we are serving importers and buyers from South America 9% Africa 9% Eastern Asia 12% Domestic Market 11% North America 10% Eastern Europe 11% Southern Europe 12% Mid East 8% Northern Europe 10% Oceania 8% and accepting payments via T/T, Credit Card, PayPal. With a workforce of 201 - 300 People we are able to facilitate and respond to our clients within less than 42h.