hale hana
ʻO Qingdao Sainuo Group, i hoʻokumu ʻia i ka makahiki 2005, kahi ʻoihana ʻenehana kiʻekiʻe e hoʻohui i ka hana, noiʻi ʻepekema, noi a me ke kūʻai aku.
Mai ka papa hana mua a me ka huahana, ua ulu mālie ʻo ia i ka mea hoʻolako huahana piha piha loa a me ka hoʻopuehu ʻana i Kina me ka aneane 100 mau ʻano huahana, e hauʻoli ana i kahi kūlana kiʻekiʻe ma ke kahua o ka lubrication a me ka hoʻopuehu ʻana ma Kina.
Ma waena o lākou, ʻo ka quota hana a me ka nui o ke kūʻai ʻana o ka polyethylene wax a me ka EBS kūlana kiʻekiʻe ma ka ʻoihana.