Hunan Shenghui Technology Co., Ltd. is a professional manufacturer of waterworks building products in solenoid valve. ball valve. gate valve. angle valve. float valve. water meter and so on. having many years of exporting experiences in waterworks building industries. Since 2007.Shenghui has been dedicated to producing well-designed and thoroughly tested products, export with the finest raw material, such as DZR, CW60 2N, CW617N, lead free brass, C83600 and C84400, and supported by the most conscientious and professional group of employees found in the waterworks industry.