About Sinri Huizhou Sinri Technology Company Limited ( grew out of the factory named "De Xiang", which has more than 10 years experience in producing molds and protective vent)is manufacturer focused on protective vent development, production and sales.With professional e-PTFE technology, we have designed and manufactured a large number of products which are waterproof, air permeable, oil-resistant and anti-explosion. Since founded in 2015, Sinri continuously introducing advanced production technology, realize the automatic production, testing assembly line.And through the ISO90001/ TS16949 system certification. Now,we have our own test equipments (including Salt spray testing equipment, IP Rating testing equipment, Flow testing equipment ,High-low temperature test equipment and Explosion-proof testing equipment)and Automatic production equipment( including injection molding machine, fuse machine, ultrasonic and other automated production equipment). Sinri protective vents have been widely used in LED lighting, automotive components, portable electronics, solar photovoltaic, outdoor cabinets, heavy machinery, Chemical packaging, new energy battery pack and other kinds of outdoor enclosures that need to be waterproof and venting.