Zhejiang Wandekai Fluid Equipment Technology Co., Ltd (yomwe kale inkadziwika kuti kampani ya Taizhou Wan De Kai Hardware Product Limited), yomwe idakhazikitsidwa ku 1995, ili mu "China valve capital" - Zhejiang, Yuhuan, ndi gulu lazopanga ndi chitukuko , kupanga ndi kugulitsa ndi kugulitsa ngati amodzi mwa akatswiri ma valve (ma plumbing). Zogulitsa zimagawika m'magulu atatu: mavavu amkuwa, zovekera zamkuwa, zopangira HVAC. Kuyika kwazinthu pamakalasi apamwamba, owerengera, kuwonetsa zabwino zachilengedwe, kunali North America, Europe ndi misika ina yotukuka ya ogula.