Xaiv lus
1995:Pib nthuav dav ntau lawm, nteg lub hauv paus rau Zhengfeng Valve.
1997:Tau sau npe ua Yongjia County Zhengfeng Valve Manufacturing Co., Ltd, tsom mus rau standardizing valve ntau lawm thiab muag.
1998: Mos lub rooj npauj npaim li qub tau txais kev lag luam tseem ceeb ntawm Tuam Tshoj txoj kev lag luam sai.
2000:Renamed li Zhejiang Zhengfeng Valve Co., Ltd, kos npe rau kev hloov kho hom.
2002
Hloov mus rau Wuxing Industrial Zone, ua kom muaj peev xwm ntau lawm.
2003
Taw qhia hlau- rooj npauj npaim li qub thiab pob li qub, qhia txog kev nce qib ntawm cov khoom tseem ceeb.
2004
Launched official lub vev xaib www.zfvalve.com, pib muaj npe online.
2005
Ua tau zoo tsim qhov xoom- leakage triple offset npauj npaim valve, dhau los ua ib qho ntawm Tuam Tshoj cov neeg tsim khoom loj tshaj plaws ntawm cov khoom no.
2007
Triple offset npauj npaim valve xaiv raws li cov khoom pom zoo rau Suav Engineering Kev Tsim Kho; koom nrog Tuam Tshoj Lub Nroog Gas Association.
2009
Tau txais Tuam Tshoj Cov Khoom Siv Tsim Khoom Tshwj Xeeb (TS Certificate).
2010
Ua tiav ISO9001 daim ntawv pov thawj kev tswj hwm zoo.
2012
Pom tau tias yog Kev Lag Luam Zoo Tshaj Plaws los ntawm Wenzhou nroog tsoomfwv.
Tsim Kev Muag Khoom Thoob Ntiaj Teb, ua tiav nkag mus rau thoob ntiaj teb kev lag luam.
Txhim kho cov txheej txheem tsim khoom kom ua raws li cov qauv thoob ntiaj teb suav nrog API, ANSI, BS, DIN, EN, JIS, GB, thiab GOST.
Honoured raws li Cov Khoom Siv Zoo Tshaj Plaws los ntawm Tuam Tshoj National Chemical Corporation.
Lub tuam txhab tau lees paub tias yog tus thawj coj hauv ntiaj teb hauv kev tsim chav dej thiab muab cov khoom lag luam thiab cov kev pabcuam tshwj xeeb.
