Ua hoʻokumu ʻia ʻo ZHEJIANG DONSEN ENVIRONMENTAL TECHNOLOGY CO., LTD i ka makahiki 1996, aia ma NINBGO, Kina, ʻo ia ka mea ʻoihana no nā paipu PVC a me nā mea pono, PPR paipu a me nā mea pono, PP compression fittings, CPVC paipu a me nā mea pono, nā paipu PE a me nā mea pono, (PPR wikiwiki paʻi ʻana i nā ʻano like ʻole, PPR PVLV paipu keleawe, PPR paʻi paʻa paʻa paʻa like ʻole, PPR pipili keleawe a pau. PPR VALVES, PP VALVES etc.), mold etc. ʻO DONSEN kekahi o nā mea hana me ka ʻōnaehana huahana piha loa i ke kahua o nā paipu plastik ma Kina. Hoʻohana nui ʻia kā mākou huahana i ka lako wai kīwila, ka hoʻoulu ʻana o ka hale, ka wai a me ka hoʻomehana ʻana, ka hoʻonaninani hale a me ka hoʻoulu ʻana i ka māla, ka hoʻoulu ʻana i ka mahiʻai a me nā māla ʻē aʻe.
I mea e hoʻohana ai ka ʻohana i ka maikaʻi o ke kaiapuni o nā huahana paipu, lawe ʻia ʻo DONSEN i nā mea waiwai kiʻekiʻe e hana ai.
nā huahana, i mea e hōʻoia ai i ka maikaʻi o ka huahana, hoʻolauna ʻo DONSEN i ka honua holomua paʻa alumini composite pipe production line, e like me ka fiberglass production line, PPR brass and plastic production line, pālua i ka laina hana kūpono etc.
I kēia manawa, ua hala ka hui i ka hōʻoia CE o ka European Union. NSF palapala hōʻoia ma USA; palapala hōʻoia SABS ma ʻApelika Hema; palapala hōʻoia GOST ma Rusia; Palapala hōʻoia WRAS ma ʻEnelani, palapala hōʻoia SIAA ma Iapana; Ka palapala hōʻoia SKZ a me nā palapala ʻē aʻe.
Hoʻokuʻu ʻia kā mākou huahana i nā ʻāina ʻoi aku ma mua o 100 o ka honua, e like me Russia, Ukraine, Farani, Italia, Mekiko, Middle East, ʻEulopa, ʻAmelika Hema, ʻAsia, a me nā mea ʻē aʻe. E lawelawe ʻo DONSEN iā ʻoe me ka naʻau holoʻokoʻa , a e ʻimi ana i nā ʻelele.