Nanjing Tongchang Environment Tech Co., Ltd. yakavambwa muna 2018, iri muNanjing, JiangSu Province, iri muShanghai Economic Circle.Bhizinesi redu guru kugadzirwa uye kutengesa kwemidziyo yekuchenesa mhepo nemvura uye zvinhu zvinotsigira.
Sebhizinesi riri kukura nekukurumidza, Tongchang inowana zvitupa zvakaongororwa neSGS, BV uye UL.Zvichienderana neketani yakasimba yekukwira nekudzika munzvimbo yeNanjing, yakashongedzerwa neboka rekutengesa repasi rose uye yepasi-yemhando yekugadzira uye yekuongorora nzvimbo, Tongchang yaratidza kuve ine mukurumbira wakanaka mukugadzirisa misika yepasirese neyemunyika.Misika yedu huru iri kuNorth America, South America, Europe neAsia etc.
TongChang inogara ichifambirana nenguva uye inoramba ichiita basa reR&D, uye inopa OEM, ODM uye OBM masevhisi kune vatengi.Chikwata chedu chehunyanzvi chakanakira mafirita 'test nzira uye zviyero muUSA uye muEurope.Nekushanda nechikwata chinotungamira cheR&D mudzimba nekune dzimwe nyika, TongChang inogadzira akati wandei ehunyanzvi patent.Isu tinoverengerwa se "high-tech bhizinesi" nehurumende muna 2020.
Nezvigadzirwa zvemhando yepamusoro, sevhisi yakanaka uye zviitiko zvakapfuma, Tongchang ine chivimbo mukushanda nevatengi kuti vawane mabhenefiti emakwikwi mumisika yakasiyana.
Tarisira kumisa kubatana kwenguva refu newe.