NingBo ZhengXin(ZX) moku kaomi Co., Ltd. ʻO ia ka mea hana nui o nā pahu hau hau kiʻekiʻe a me nā valve aia ma No.1 JinHu East Road, HuangJiaBu Town, YuYao City, Kina, me kona keʻena kūʻai ma Shanghai, Kina. Ma luna o 20 miliona mau cylinders hilinaʻi i hana ʻia e ZX a ma ka lawelawe ma ka honua holoʻokoʻa. Hāʻawi mākou iā mākou iho i ka noiʻi a me ka hoʻomohala ʻana i nā cylinders a me nā valves mai 2000, e manaʻo ana e hāʻawi i nā huahana maikaʻi loa no ka mea inu, scuba, lāʻau lapaʻau, palekana ahi a me ka ʻoihana kūikawā.