1970.9.28: Kambani yakatangwa Kambani yakafanotangira yaive "Yuhang bamboo ware uye mvura yemidziyo fekitori". 1990-1999: Innovation, kukurumidza kukura Yakavakwa marabhoritari ekutsvagisa manomwe, yaive nevashandi vanopfuura mazana maviriAive wekutanga kuve dunhu redunhu rekutsvaga nekusimudzira nzvimboHupenyu hurefu simba mita tekinoroji yaive pamberi, yakagarwa ingangoita 1/3 migove yemusika muChina 2000-2008: Tekinoroji shanduko Kubva mugadziri wemamita emagetsi akashandurwa kuita mupi weprojekiti yemhinduro 2009-2015: smart uye yakabatanidzwa budiriro Yakabatanidzwa electric mita, mita yemvura, gasi mita, thermal Meter, etc. yakagadzira advanced energy management system'Aive neinternational smart mita yekuongorora otomatiki system 2015 "Holley Metering Ltd."yakatumidzwa zita rekuti "Holley Technology Ltd." 2016-ikozvino: Simba neIoT, shanduko yemaitiro Tanga 3 shanduko huru (IPD, IT, Intelligent Manufacture)Yakazara shanduko kune simba uye IoT indasitiri ecological zano.