... certificate:ISO9001:20005)Application:food,beer,dairy,pharmacy,bererage,cosmetics and chemical industrial6)Main parts:male,nut,linerWenzhou Yuanyu Mechanical ... manufacturer of high-precision hygiene grade valves, pipe fittings and liquid equipment. Our products are widely used in ... such as dairy, beer, food, pharmacy, beverage, cosmetic and chemical industry.Please feel free to contact us for further ...