Huizhou mystar technology company is located in Huizhou city, Guangdong province, south of China. Since the foundation in year 2013, we dedicate our best to research, production, marketing for the silicone rubber and waterproof vent plug, EPV. We produce mould ourselves to cut down the cost for the product. With the excellent company team, I believe that we will be the best choice for you if you need. Thanks!