... , machinery ragging and so on.Why choose us :NINGBO JIULONG HARDWARE ARE CO.,LTD.is a joint venture company which owns three other ... subsidiaries:Zhejiang Jiulong Machinery Rigging Co.,Ltd.,Ninghai ShuangEn Rubber&Plastic Co.Ltd and Ninghai DengHuang Forging Co.Ltd. For years ,we have been the ...