Turi hano kugirango dufashe flange yawe hamwe nibikenewe bikenewe.
Yashinzwe mu 2008, Ubushinwa dingsheng Flange ni ikigo cy’ikoranabuhanga rikomeye mu ntara ya Zhejiang.Dingsheng Flange kabuhariwe mu gushushanya no gukora flanges hamwe n’ibikoresho bya pipe ukurikije ANSI, JIS, DIN, EN, GOST, hamwe n’ibindi bipimo by’imbere mu gihugu ndetse n’amahanga ndetse n’umuhuza wa peteroli na gaze, kubyara amashanyarazi, n’amasoko y’inganda.