Donsen ali ndi mbiri yakale ndipo ndi katswiri wopanga mapaipi, zopangira ndi mavavu. Donsen unakhazikitsidwa mu 1996, ili mu Ningbo, China, amene ndi chuma otukuka ndi yabwino mayendedwe mzinda . Donsen ndi mmodzi wa opanga ndi dongosolo kwambiri wathunthu mankhwala m'munda wa mapaipi pulasitiki ku China.

Pakali pano, Donsen gulu makamaka umabala valavu mndandanda: PPR valavu, valavu PVC, CPVC valavu, Pe valavu ndi mitundu ina yamkuwa valavu pulasitiki; Kumanga madzi kotunga mndandanda: PPR chitoliro zovekera, PPR mwamsanga kukankha zovekera, PPR mkuwa pulasitiki chitoliro zovekera, etc. Kumanga ngalande mndandanda: PVC zovekera chitoliro, HDPE zovekera chitoliro ndi zina zotero; Industrial madzi zino: Pe chitoliro zovekera, etc.Civil moto chitetezo mndandanda: CPVC chitoliro zovekera, etc. ulimi wothirira madzi opulumutsa: PP psinjika chitoliro zovekera, PE zovekera chitoliro, etc.Floor Kutentha mndandanda: PERT pansi Kutentha chitoliro, madzi distribuerar , etc.Our kampani alinso pulasitiki nkhungu kupanga: PPR chitoliro nkhungu, PP chitoliro nkhungu, PVC nkhungu, ABS nkhungu pulasitiki ndi zina zotero; Panthawi imodzimodziyo, tidakali ndi mndandanda wazitsulo zopangira ma valve oti tipangidwe: mndandanda wa zida za chitoliro za ku America, mndandanda wa zida za PVC za PVC, DIN wamba PVC zovekera ndi zina zotero. Zogulitsa zathu zimagwiritsidwa ntchito kwambiri pamadzi a boma, ngalande zomanga, madzi ndi kutentha, zokongoletsera zapakhomo ndi ulimi wothirira m'munda, ulimi wothirira ndi minda ina.

Pofuna kupanga banja ntchito pa khalidwe chilengedwe cha mankhwala chitoliro, Donsen kutengera kunja mkulu khalidwe zopangira kubala zinthu, pofuna kuonetsetsa mankhwala khalidwe, Donsen limayambitsa mayiko apamwamba khoma zotayidwa gulu kupanga chitoliro mzere kupanga, monga fiberglass kupanga mzere , PPR mkuwa ndi mzere kupanga pulasitiki, kuwirikiza kawiri mzere kupanga imayenera etc. Kwathunthu 9 patsogolo chitoliro mzere ndi oposa 70 kompyuta zonse ankalamulira jekeseni makina jekeseni ndi zida zonse zamakono kudziwika, Ndi Integrated kudyetsa dongosolo. & ntchito yamakina m'malo mwa buku kuti apange Donsen kukhala otetezeka, olondola komanso odziwa zambiri. Pofuna kukwaniritsa 100% apamwamba, Donsen ali ndi ulamuliro okhwima & kuyendera kwa zinthu zomwe zikubwera zoyendera, kuyang'anira ndondomeko, kuyang'anira kutumiza, kuonetsetsa kuti zinthu zili bwino.

Pakali pano, Donsen ali atatu lalikulu chitoliro & zovekera kupanga fakitale, nkhungu fakitale, ndi mtundu wina watsopano wa zodzichitira m'munsi kupanga, Donsen fakitale ali oposa 70000 lalikulu msonkhano, antchito oposa 700 ndi mmodzi wotsogola luso & kasamalidwe gulu, gulu ili pafupifupi zaka ochepera zaka 35, ali ndi mphamvu, luso komanso kuthekera, amatha kupatsa makasitomala ntchito zabwino, zogwira mtima. Donsen likulu (A fakitale) makamaka umabala PPR zovekera chitoliro, PE zovekera chitoliro ndi zinthu zina zopezera madzi ndi mitundu yonse ya mavavu. B fakitale makamaka umabala PVC chitoliro zovekera, HDPE chitoliro zovekera ndi mankhwala ngalande; C fakitale makamaka umabala PP psinjika chitoliro zovekera ndi zina ulimi ulimi wopulumutsa madzi ulimi wothirira mankhwala. The nkhungu fakitale makamaka ndi udindo kupanga mitundu yonse ya nkhungu chitoliro ndi fakitale latsopano kwambiri kuwonjezera linanena bungwe zovekera chitoliro wathu, mavavu, mapaipi.

Pakadali pano, kampaniyo yadutsa chiphaso cha CE ku European Union. Chitsimikizo cha NSF ku USA; Satifiketi ya SABS ku South Africa; Chitsimikizo cha GOST ku Russia; WRAS certification ku England, SIAA certification ku Japan; Chitsimikizo cha SKZ yaku Germany ndi ziphaso zina.

Zogulitsa zathu zimatumizidwa kumayiko opitilira 100 padziko lapansi, monga Russia, Ukraine, France, Italy, Mexico, Middle East, Europe, South America, Asia, etc. Makasitomala athu akuphatikizapo mafakitale akunja akunja, komanso ogulitsa kunja ndi kunja. amalonda, omwe ndi makasitomala athu akuluakulu. Pakadali pano, pali othandizira a Donsen brand series m'maiko onse padziko lapansi. DONSEN adzakutumikirani ndi mtima wonse, ndikuyang'ana othandizira.