I-ZHEJIANG DONSEN Environmental Technology Co., LTD yasekwa ngo-1996, ikwi-NINBGO, eTshayina, eyingcali kwiipayipi ze-PVC kunye nokufakelwa, iipayipi ze-PPR kunye nokufakelwa, izixhobo zoxinzelelo lwe-PP, iipayipi ze-CPVC kunye nokufakelwa, iipayipi ze-PE kunye nokufakelwa, izixhobo zokutyhala ezikhawulezayo ze-PPR, izixhobo zepayipi zeplastiki zobhedu ze-PPR, zonke iintlobo zeevalvu zeplastiki (ii-PVC VALVES, ii-PPR VALVES, ii-PP VALVES njl. njl.), isikhunta njl. I-DONSEN ngomnye wabavelisi abanenkqubo yemveliso epheleleyo kwicandelo leepayipi zeplastiki eTshayina. Iimveliso zethu zisetyenziswa kakhulu kubonelelo lwamanzi oluntu, ukuhanjiswa kwamanzi kwizakhiwo, ukuhanjiswa kwamanzi kunye nokufudumeza, ukuhombisa ikhaya kunye nokunkcenkceshela igadi, ukunkcenkceshela kwezolimo kunye nezinye iindawo.
Ukuze intsapho isebenzise umgangatho wokusingqongileyo weemveliso zepayipi, i-DONSEN isebenzisa izinto ezisemgangathweni ophezulu ezivela kwamanye amazwe ukuvelisa.
iimveliso, ukuqinisekisa umgangatho wemveliso, iDONSEN yazisa umgca wemveliso yombhobho odibeneyo we-aluminium eludongeni oluphambili lwamazwe ngamazwe, njengomgca wemveliso ye-fiberglass, umgca wemveliso yobhedu kunye neplastiki, umgca wemveliso ophindwe kabini osebenzayo njl.
Okwangoku, inkampani iphumelele isiqinisekiso se-CE se-European Union. Isiqinisekiso se-NSF e-USA; Isiqinisekiso se-SABS eMzantsi Afrika; Isiqinisekiso se-GOST eRashiya; Isiqinisekiso se-WRAS eNgilane, Isiqinisekiso se-SIAA eJapan; Isiqinisekiso se-SKZ saseJamani kunye nezinye iziqinisekiso.
Iimveliso zethu zithunyelwa kumazwe angaphezu kwe-100 ehlabathini, njengeRashiya, iUkraine, iFransi, i-Itali, iMexico, iMbindi Mpuma, iYurophu, iMzantsi Melika, iAsia, njl. Okwangoku, kukho iiarhente zeemveliso zoluhlu lweempawu ze-DONSEN kuwo onke amazwe ehlabathini. I-DONSEN iya kukukhonza ngentliziyo yonke, kwaye ifuna iiarhente.