... ,Qingdao,near Yantai-Qingdao Highway in the west and Weifang-Laiyang Expressway in the north,so the ... staff,covers land area of 4,000sq.m,and owns fixed assets of RMB 6 million.Qingdao ... &Trade Co.,Ltd.has been assessed by GIC and certified to comply with ISO9001:2000. Our main ... joint,grease fitting,snapring,rubber sealing parts and related hardware fittings,which are exported to Japan,America,Germany ...