Langfang Bonai Environmental Protection Technology Co., Ltd.
Ua hoʻokumu ʻia ka hui i Iulai 2005, ka makahiki like ma ʻAukake 3 aniani puluniu i hoʻonui ʻia i ka hoʻouka ʻana i ka laina piha, i Pepeluali 2008 e hoʻouka i ka laina synthetic PVC kēpau laina 2, 3 Malaki 2009 mea hoʻonoho o nā laina hana polycarbonate, hoʻokomo o ka fiber aniani ka laina hana pahu pahu pahu wai 1 i Iulai 2013, Kekemapa 2013, hoʻokomo ʻia o ka aniani puluniu i hoʻonui ʻia i ka laina hana profile 2, 2016 pu moʻomeheu hana laina hana 1, 2017, 6 mau laina hana no ka hoʻokomo ʻana o ka pale pale palahalaha PVC, kau ʻia ma 2017 mai ka lālau ʻano 1 hana papaina.
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