In 2002, Yuhuan Zhengerda Valve Co., Ltd. was established and began to produce brass valves, faucets and other products, mainly for domestic sales.In 2024, it was officially renamed Taizhou Ruizhi Flow Control Co., Ltd., which produces brass valves, angle valves, brass manifolds, magnetic filters, pre-filters and faucet accessoriess. The main markets are South Korea, the United Kingdom, Poland, Romania, Russia, Kazakhstan, Iran, Palestine