He roa te hītori o Donsen, ā, he kaihanga ngaio ia mō ngā paipa, ngā taputapu me ngā takirere. I whakatūria a Donsen i te tau 1996, kei Ningbo, Haina, he tāone ōhanga whakawhanake me te tāone kawe waka watea. Ko Donsen tētahi o ngā kaihanga me te pūnaha hua tino oti i roto i te mara o ngā paipa kirihou i Haina.

I tēnei wā, ko te nuinga o ngā raupapa takirere a te rōpū Donsen e whakaputa ana: takirere PPR, takirere PVC, takirere CPVC, takirere PE me ētahi atu momo takirere parahi kirihou; raupapa tuku wai whare: hononga paipa PPR, hononga pana tere PPR, hononga paipa parahi kirihou PPR, me ētahi atu. raupapa rerenga wai whare: hononga paipa PVC, hononga paipa HDPE me ētahi atu; raupapa tuku wai ahumahi: hononga paipa PE, me ētahi atu. raupapa tiaki ahi ā-iwi: hononga paipa CPVC, me ētahi atu. whakamakuku wai ahuwhenua: hononga paipa kōpeketanga PP, hononga paipa PE, me ētahi atu. raupapa whakamahana papa: paipa whakamahana papa PERT, tohatoha wai, me ētahi atu. kei a mātou kamupene hoki te hanga pokepokea kirihou: pokepokea paipa PPR, pokepokea paipa PP, pokepokea PVC, pokepokea kirihou ABS me ētahi atu; i te wa ano, kei a mātou tonu ētahi raupapa takirere whakaurunga hei whakawhanake: raupapa hononga paipa paerewa Amerika, raupapa hononga paipa PVC paerewa Hapanihi, raupapa hononga paipa PVC paerewa DIN me ētahi atu. He whānuitia te whakamahinga o ā mātou hua i roto i te tuku wai ā-iwi, te rerenga wai whare, te tuku wai me te whakamahana, te whakapaipai kāinga me te whakamakuku māra, te whakamakuku ahuwhenua me ētahi atu mara.

Hei whakamahi i te whānau ki te kounga taiao o ngā hua paipa, ka whakamahia e Donsen ngā rauemi mata kounga teitei kawemai hei whakaputa hua. Hei whakarite i te kounga o te hua, ka whakaurua e Donsen te raina whakaputa paipa konumohe pakitara matatau o te ao, pērā i te raina whakaputa karāhe muka, te parahi PPR me te raina whakaputa kirihou, te raina whakaputa takirua te pai. E 9 katoa ngā raina paipa matatau me te neke atu i te 70 ngā mīhini werohanga rorohiko katoa me te huinga katoa o ngā taputapu kimi matatau, me te pūnaha whāngai whakauru me te mahi miihini hei utu mō te ā-ringa kia haumaru ake, kia tika ake, kia ngaio ake hoki te whakaputa Donsen. Hei whakatutuki i te 100% kounga teitei, he tino kaha te mana whakahaere me te tirotiro a Donsen mō te tirotiro rauemi e tae mai ana, te tirotiro tukanga, te tirotiro tuku, kia pai ai te hua.

Tae noa ki tēnei wā, e toru ngā wheketere hanga paipa me ngā taputapu nui o Donsen, kotahi te wheketere pokepokea ai, me tētahi atu momo turanga hanga aunoa hou, neke atu i te 70000 tapawhā te rahi o te awheawhe o te wheketere o Donsen, neke atu i te 70000 ngā kaimahi me tētahi rōpū hangarau me te whakahaere tino pai, ko te tau toharite o tēnei rōpū kei raro iho i te 35 tau te pakeke, he kaha, he auaha me te pūmanawa, ka taea e rātou te whakarato ratonga kounga me te whai hua ki ngā kiritaki. Ko te tari matua o Donsen (wheketere A) te nuinga o te wā e hanga ana i ngā taputapu paipa PPR, ngā taputapu paipa PE me ētahi atu hua tuku wai me ngā momo takirere katoa. Ko te wheketere B te nuinga o te wā e hanga ana i ngā taputapu paipa PVC, ngā taputapu paipa HDPE me ētahi atu hua waikeri; ko te wheketere C te nuinga o te wā e hanga ana i ngā taputapu paipa kōpeketanga PP me ētahi atu hua whakamakuku penapena wai ahuwhenua. Ko te wheketere pokepokea ai te nuinga o te wā e hanga ana i ngā momo pokepokea ai paipa katoa, ā, ka nui ake te whakawhānui ake o te wheketere hou i te putanga o ā mātou taputapu paipa, takirere, paipa.

I tēnei wā, kua paahitia e te kamupene te tiwhikete CE o te Kotahitanga o Ūropi. Te tiwhikete NSF i te USA; Te tiwhikete SABS i Āwherika ki te Tonga; Te tiwhikete GOST i Rūhia; Te tiwhikete WRAS i Ingarangi, te tiwhikete SIAA i Hapani; Te tiwhikete SKZ a Tiamana me ētahi atu tiwhikete.

Ka kaweakehia ā mātou hua ki ngā whenua neke atu i te 100 o te ao, pērā i a Rūhia, Ukraine, Wīwī, Itari, Mehiko, Te Rawhiti o Waenganui, Ūropi, Amerika ki te Tonga, Āhia, me ētahi atu. Kei roto i ā mātou kiritaki ngā wheketere hokohoko o tāwāhi, me ngā kawemai me ngā kaihokohoko o tāwāhi, ko rātou ā mātou kiritaki matua. I tēnei wā, kei reira ngā kaihoko o ngā hua raupapa waitohu Donsen i ngā whenua katoa o te ao. Ka mahi a DONSEN ki a koe me te ngākau pono, me te rapu kaihoko.