Theknoloji ea li-valve tsa Chaena e bone tsoelo-pele e tsotehang, haholo-holo moralong o mocha le ts'ebelisong ea li-valve tsa serurubele tse nang le makhetlo a mararo. Joalo ka Valve (Tianjin) Co., Ltd., e bile ka pele ho tsoelopele ena. Li-valve tsena li bapala karolo ea bohlokoa ho laola phallo ea mokelikeli sebakeng sa morao-rao sa indasteri, se amang polokeho le katleho ea sistimi eohle. Li-valve tsa serurubele tsa k'hamphani tse tharo-eccentric li fumane tlhokomelo bakeng sa litšobotsi tsa tsona tsa tekheniki, melemo ea ts'ebeliso, le boemo ba tsona 'marakeng oa lefatše. Khatelo-pele e kholo ea Chaena ea theknoloji ea li-valve e behile Joaloka Valve (Tianjin) Co., Ltd. e le karolo ea bohlokoa indastering, e kenyang letsoho ho boetapele ba naha lefapheng lena.