Chengdu Yera yishora mu nganda za Korgenic imyaka 30. Binyuze mu mubare munini w'ubufatanye mpuzamahanga mu bufatanye, Cherddo yashyizeho gahunda yo gucunga imishinga isanzwe na Enterprises ishingiye ku mahame mpuzamahanga yo guhuza imiyoboro ya vacuum. Sisitemu nziza yo gucunga ibigo igizwe nigitabo cyiza, abantu benshi bikurikirana, amabwiriza menshi yo gukora hamwe namategeko menshi yubuyobozi, kandi buri gihe agezweho akurikije umurimo nyirizina.

Muri kiriya gihe, ibikoresho nibikoresho nibikoresho byubugenzuzi, byujuje ubuziranenge bwa sisitemu yo kurwanya icyuho cya vacuum, byashinzwe. Kubera iyo mpamvu, Chenged

Chenged

Shaka impamyabumenyi ya Ameme kubasuye, uburyo bwo gusudira (WPS) nubugenzuzi budasenya muri 2019.

Icyemezo cya sisitemu yerekana neza cyemerewe kuri Chengdu Uwera muri 2020.

Icyemezo cya Ped cyemewe na Chengdu Uwera muri 2020.