榆中鋼廠6月份六角頭螺栓等五金詢比公告

本部、榆中鋼廠6月份六角頭螺栓等五金采購詢比公告
　宏泰貿易公司設備材料采購中心就六角頭螺栓等五金在交易中心進行詢比價采購,現公開邀請合格投標人進行網上電子報價。
　　一、詢價內容
　　1、項目標號：CL_XB_SC_BB_1106_13551
　　2、項目標名：本部、榆中鋼廠6月份六角頭螺栓等五金采購
　　3、物資名稱及數量：六角螺栓 8.8S M20*60等，請點擊左下角物資明細表查看。
　　4、交貨地點和時間：酒鋼本部，2011-07-05。
　　二、投標人資格要求：
　　1、注冊資金在100萬元（含）以上；并配有較強的專業技術隊伍，能提供快速的售后服務響應。
　　2、具有行業主管部門認定的制造商資格或相關經營資格。
　　3、投標人具有一般納稅人資格（具備出具17%的商業增值稅發票能力）。
　　4、投標方所投貨物應有經產品質量監督檢驗所檢測合格的產品質檢報告書。投標全部貨物必須通過質量管理體系認證和具有合格的產品合格證書。
　　5、具有生產經營相關產品良好的經驗，在相關貨物使用過程中未發現重大的質量問題或已有有效的改進措施。
　　三、投標人須登錄酒鋼集團電子交易平臺進行投標和開標活動，務必在開標前完成注冊并獲得投標資格，中標情況將在本網公示。
　　四、網上投標方法：具體步驟請參照本網站首頁“服務指南”。
　　五、報價截止時間： 2011年6月27日09:30分，投標人應于投標截止時間前在酒鋼集團電子交易平臺成功遞交所有電子投標報價。
　　六、有意者可與交易中心王剛聯系，電話：0937-6711274，電子郵箱***
　　投訴受理： （物資交易科科長）王剛：0937-6711274 13993763366
　　　　　　　 （運行策管科采購主管）包丕忠：0937-6717024 13519477856
"為加強采購內容規范性，提高工作效率，要求嚴格按清單表格樣式填報數據，請認真閱讀本填報說明：
1、請供應商填報：藍色部分內容，其它內容不得自行修改；
2、不得增加或減少導出的excel表中的行數與列數，禁止合并單元格 ；
3、『報價』列：對于不做響應的標的，請填寫“0”，不能為空；
"
系統編碼 序號 標的編碼 標的名稱 規格型號 計量單位 數量 技術標準 品牌/廠家 備注 標段名稱 技術標準 品牌/廠家 交貨日期(必填) 報價（元）(必填) 稅率%
103210 "1
" "323040069
" "高強螺母10.9級 M24
" "高強螺母10.9級 M24
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103211 "2
" "323050019
" "不銹鋼螺母 M27
" "不銹鋼螺母 M27
" "千件
" "0.30
" "
" "
" "
" 第一標段 2011-7-5 0 17
103212 "3
" "323070009
" "六角開槽螺母 GB6178M16
" "六角開槽螺母 GB6178M16
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103213 "4
" "323090025
" "六角頭螺栓 GB30 6×25
" "六角頭螺栓 GB30 6×25
" "千件
" "3
" "
" "
" "
" 第一標段 2011-7-5 0 17
103214 "5
" "323090052
" "六角頭螺栓 GB30 8×80
" "六角頭螺栓 GB30 8×80
" "千件
" "2
" "
" "
" "
" 第一標段 2011-7-5 0 17
103215 "6
" "323090098
" "六角頭螺栓 GB30 12*110
" "六角頭螺栓 GB30 12*110
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103216 "7
" "323090133
" "六角頭螺栓 GB30 16×35
" "六角頭螺栓 GB30 16×35
" "千件
" "0.30
" "
" "
" "
" 第一標段 2011-7-5 0 17
103217 "8
" "323090151
" "六角頭螺栓 GB30 16×150
" "六角頭螺栓 GB30 16×150
" "千件
" "0.06
" "
" "
" "
" 第一標段 2011-7-5 0 17
103218 "9
" "323090295
" "六角頭螺栓 GB30 36×150
" "六角頭螺栓 GB30 36×150
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103219 "10
" "323140056
" "高強螺栓 8.8級 M24*100
" "高強螺栓 8.8級 M24*100
" "套
" "200
" "
" "
" "
" 第一標段 2011-7-5 0 17
103220 "11
" "323140099
" "高強螺栓 8.8級 27*120
" "高強螺栓 8.8級 27*120
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103221 "12
" "323140101
" "高強螺栓 8.8級 24*170
" "高強螺栓 8.8級 24*170
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103222 "13
" "323140178
" "高強螺栓 20*85
" "高強螺栓 20*85
" "套
" "500
" "
" "
" "
" 第一標段 2011-7-5 0 17
103223 "14
" "323140192
" "高強螺栓 GB5782 8.8s 16*75
" "高強螺栓 GB5782 8.8s 16*75
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103224 "15
" "323140194
" "高強螺栓 GB5782 8.8s 20*120
" "高強螺栓 GB5782 8.8s 20*120
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103225 "16
" "323140281
" "六角螺栓 GB5781 8.8S 12*35
" "六角螺栓 GB5781 8.8S 12*35
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103226 "17
" "323140341
" "六角螺栓 8.8S M20*60
" "六角螺栓 8.8S M20*60
" "套
" "1000
" "
" "
" "
" 第一標段 2011-7-5 0 17
103227 "18
" "323140492
" "鍍鋅六角螺栓8.8級 M12×60
" "鍍鋅六角螺栓8.8級 M12×60
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103228 "19
" "323150032
" "扭剪型高強螺栓10.9級 20MnTiBM20*70
" "扭剪型高強螺栓10.9級 20MnTiBM20*70
" "套
" "100
" "
" "
" "
" 第一標段 2011-7-5 0 17
103229 "20
" "323150044
" "扭剪型高強螺栓10.9級 20MnTiBM20*90
" "扭剪型高強螺栓10.9級 20MnTiBM20*90
" "套
" "500
" "
" "
" "
" 第一標段 2011-7-5 0 17
103230 "21
" "323180011
" "鍍鋅平機螺栓 M4*10
" "鍍鋅平機螺栓 M4*10
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103231 "22
" "323180012
" "鍍鋅平機螺栓 M4*35
" "鍍鋅平機螺栓 M4*35
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103232 "23
" "323180013
" "鍍鋅平機螺栓 M5*35
" "鍍鋅平機螺栓 M5*35
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103233 "24
" "323180015
" "鍍鋅平機螺栓 M6*10
" "鍍鋅平機螺栓 M6*10
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103234 "25
" "323180017
" "鍍鋅平機螺栓 M6*35
" "鍍鋅平機螺栓 M6*35
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103235 "26
" "323200064
" "鍍鋅螺栓 M22*380
" "鍍鋅螺栓 M22*380
" "千件
" "0.05
" "
" "
" "
" 第一標段 2011-7-5 0 17
103236 "27
" "323210005
" "不銹鋼螺栓 12*30
" "不銹鋼螺栓 12*30
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103237 "28
" "323210080
" "不銹鋼內六角螺栓 M8*50
" "不銹鋼內六角螺栓 M8*50
" "千件
" "6
" "
" "
" "
" 第一標段 2011-7-5 0 17
103238 "29
" "323210088
" "不銹鋼內六角螺栓M16*100mm
" "不銹鋼內六角螺栓M16*100mm
" "千件
" "0.80
" "
" "
" "
" 第一標段 2011-7-5 0 17
103239 "30
" "323210109
" "不銹鋼內六角螺栓 M8*40
" "不銹鋼內六角螺栓 M8*40
" "千件
" "8
" "
" "
" "
" 第一標段 2011-7-5 0 17
103240 "31
" "323220054
" "雙頭螺栓 GB898M24*220
" "雙頭螺栓 GB898M24*220
" "千件
" "0.06
" "
" "
" "
" 第一標段 2011-7-5 0 17
103241 "32
" "323220074
" "雙頭螺栓 GB898M20*180
" "雙頭螺栓 GB898M20*180
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103242 "33
" "323220124
" "內六角 20*110*
" "內六角 20*110*
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103243 "34
" "323220133
" "內六角螺栓 18*70
" "內六角螺栓 18*70
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103244 "35
" "323270010
" "六角頭交制孔螺栓 GB27 M8*40
" "六角頭交制孔螺栓 GB27 M8*40
" "件
" "100
" "
" "
" "
" 第一標段 2011-7-5 0 17
103245 "36
" "323270018
" "六角頭交制孔螺栓 GB27 M16*65
" "六角頭交制孔螺栓 GB27 M16*65
" "件
" "200
" "
" "
" "
" 第一標段 2011-7-5 0 17
103246 "37
" "323270020
" "六角頭交制孔螺栓 GB27 M24*95
" "六角頭交制孔螺栓 GB27 M24*95
" "件
" "200
" "
" "
" "
" 第一標段 2011-7-5 0 17
103247 "38
" "323270022
" "六角頭交制孔螺栓 GB27 M30*110
" "六角頭交制孔螺栓 GB27 M30*110
" "件
" "50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103248 "39
" "323270041
" "六角頭交制孔螺栓 GB27 M6×35
" "六角頭交制孔螺栓 GB27 M6×35
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103249 "40
" "323300026
" "鍍鋅彈簧墊圈 GB93 4mm
" "鍍鋅彈簧墊圈 GB93 4mm
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103250 "41
" "323300027
" "鍍鋅彈簧墊圈 GB93 5mm
" "鍍鋅彈簧墊圈 GB93 5mm
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103251 "42
" "323300028
" "鍍鋅彈簧墊圈 GB93 6mm
" "鍍鋅彈簧墊圈 GB93 6mm
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103252 "43
" "323300029
" "鍍鋅彈簧墊圈 GB93 8mm
" "鍍鋅彈簧墊圈 GB93 8mm
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103253 "44
" "323300030
" "鍍鋅彈簧墊圈 GB93 10mm
" "鍍鋅彈簧墊圈 GB93 10mm
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103254 "45
" "323320038
" "孔用彈性檔圈 GB893 47mm
" "孔用彈性檔圈 GB893 47mm
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103255 "46
" "323330061
" "軸用彈性擋圈GB894 70mm
" "軸用彈性擋圈GB894 70mm
" "千件
" "0.10
" "
" "
" "
" 第一標段 2011-7-5 0 17
103256 "47
" "323360016
" "內六角螺栓 10*30
" "內六角螺栓 10*30
" "千件
" "2
" "
" "
" "
" 第一標段 2011-7-5 0 17
103257 "48
" "323360046
" "內六角螺栓 24*120
" "內六角螺栓 24*120
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103258 "49
" "323360071
" "內六角螺栓 M20*100 DIN 912 10.9級
" "內六角螺栓 M20*100 DIN 912 10.9級
" "千件
" "0.30
" "
" "
" "
" 第一標段 2011-7-5 0 17
103259 "50
" "323360082
" "內六角螺栓M8×40（全扣）12.9級
" "內六角螺栓M8×40（全扣）12.9級
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103260 "51
" "323370071
" "圓柱頭內六角螺釘 GB70 8×20mm
" "圓柱頭內六角螺釘 GB70 8×20mm
" "千件
" "12
" "
" "
" "
" 第一標段 2011-7-5 0 17
103261 "52
" "323370088
" "不銹鋼圓柱頭內六角螺釘 GB70 12.9S 8×20
" "不銹鋼圓柱頭內六角螺釘 GB70 12.9S 8×20
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103262 "53
" "323370142
" "圓柱頭內六角螺釘 GB70 12.9S 12×40mm全扣
" "圓柱頭內六角螺釘 GB70 12.9S 12×40mm全扣
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103263 "54
" "323370142
" "圓柱頭內六角螺釘 GB70 12.9S 12×40mm全扣
" "圓柱頭內六角螺釘 GB70 12.9S 12×40mm全扣
" "千件
" "2.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103264 "55
" "323370143
" "圓柱頭內六角螺釘 GB70 12.9S 12×55mm全扣
" "圓柱頭內六角螺釘 GB70 12.9S 12×55mm全扣
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103265 "56
" "323370143
" "圓柱頭內六角螺釘 GB70 12.9S 12×55mm全扣
" "圓柱頭內六角螺釘 GB70 12.9S 12×55mm全扣
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103266 "57
" "323370199
" "圓柱頭內六角螺釘 GB70 20×50mm
" "圓柱頭內六角螺釘 GB70 20×50mm
" "千件
" "0.20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103267 "58
" "323370307
" "不銹鋼內六角沉頭螺釘 M20*100
" "不銹鋼內六角沉頭螺釘 M20*100
" "千件
" "0.03
" "
" "
" "
" 第一標段 2011-7-5 0 17
103268 "59
" "323370318
" "不銹鋼內六角螺釘 M6*40(全扣)
" "不銹鋼內六角螺釘 M6*40(全扣)
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103269 "60
" "323370325
" "不銹鋼內六角螺釘 M16*180
" "不銹鋼內六角螺釘 M16*180
" "千件
" "5
" "
" "
" "
" 第一標段 2011-7-5 0 17
103270 "61
" "323370383
" "圓柱頭內六角螺栓 M10x55 12.9級
" "圓柱頭內六角螺栓 M10x55 12.9級
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103271 "62
" "323370383
" "圓柱頭內六角螺栓 M10x55 12.9級
" "圓柱頭內六角螺栓 M10x55 12.9級
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103272 "63
" "323370410
" "內六角螺栓MC6S M12×40 - 12.9
" "內六角螺栓MC6S M12×40 - 12.9
" "千件
" "1
" "
" "
" "
" 第一標段 2011-7-5 0 17
103273 "64
" "323420010
" "自攻螺釘 6*30
" "自攻螺釘 6*30
" "千件
" "3
" "
" "
" "
" 第一標段 2011-7-5 0 17
103274 "65
" "323500025
" "不銹鋼絲網 φ4.06 20*20 2600*1320
" "不銹鋼絲網 φ4.06 20*20 2600*1320
" "平方米
" "40
" "
" "
" "
" 第一標段 2011-7-5 0 17
103275 "66
" "323500047
" "不銹鋼網1Ci18Ni9Tiφ4mm10*10（1M*2M）
" "不銹鋼網1Ci18Ni9Tiφ4mm10*10（1M*2M）
" "塊
" "20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103276 "67
" "323560001
" "元釘 16mm
" "元釘 16mm
" "公斤
" "20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103277 "68
" "323590022
" "開口銷 GB91 5×40mm
" "開口銷 GB91 5×40mm
" "千件
" "0.50
" "
" "
" "
" 第一標段 2011-7-5 0 17
103278 "69
" "323600030
" "平鍵條 b*h=16*10 L=1000mm
" "平鍵條 b*h=16*10 L=1000mm
" "條
" "20
" "
" "
" "
" 第一標段 2011-7-5 0 17
103279 "70
" "323660023
" "外卡簧 φ60
" "外卡簧 φ60
" "個
" "200
" "
" "
" "
" 第一標段 2011-7-5 0 17
103280 "71
" "323090123
" "六角頭螺栓 GB30 14×100
" "六角頭螺栓 GB30 14×100
" "千件
" "0.10
" "
" "
" "
" 第二標段 2011-7-5 0 17
103281 "72
" "323090144
" "六角頭螺栓 GB30 16×85
" "六角頭螺栓 GB30 16×85
" "千件
" "0.80
" "
" "
" "
" 第二標段 2011-7-5 0 17
103282 "73
" "323090147
" "六角頭螺栓 GB30 16×100
" "六角頭螺栓 GB30 16×100
" "千件
" "0.50
" "
" "
" "
" 第二標段 2011-7-5 0 17
103283 "74
" "323090153
" "六角頭螺栓 GB30 16×180
" "六角頭螺栓 GB30 16×180
" "千件
" "0.50
" "
" "
" "
" 第二標段 2011-7-5 0 17
103284 "75
" "323090201
" "六角頭螺栓 GB30 20×180
" "六角頭螺栓 GB30 20×180
" "千件
" "1
" "
" "
" "
" 第二標段 2011-7-5 0 17
103285 "76
" "323090224
" "六角頭螺栓 GB30 22×100
" "六角頭螺栓 GB30 22×100
" "千件
" "0.10
" "
" "
" "
" 第二標段 2011-7-5 0 17
103286 "77
" "323090279
" "六角頭螺栓 GB30 30*150
" "六角頭螺栓 GB30 30*150
" "千件
" "0.50
" "
" "
" "
" 第二標段 2011-7-5 0 17
103287 "78
" "323090296
" "六角頭螺栓 GB30 36×160
" "六角頭螺栓 GB30 36×160
" "千件
" "0.50
" "
" "
" "
" 第二標段 2011-7-5 0 17
103288 "79
" "323120013
" "方頭螺栓 粗制 GB8-88 M36×300mm
" "方頭螺栓 粗制 GB8-88 M36×300mm
" "千件
" "0.10
" "
" "
" "
" 第二標段 2011-7-5 0 17
103289 "80
" "323140311
" "高強螺栓 8.8S全扣M10*70
" "高強螺栓 8.8S全扣M10*70
" "千件
" "0.10
" "
" "
" "
" 第二標段 2011-7-5 0 17
103290 "81
" "323140312
" "高強螺栓 8.8S全扣M12*65
" "高強螺栓 8.8S全扣M12*65
" "千件
" "0.10
" "
" "
" "
" 第二標段 2011-7-5 0 17
103291 "82
" "323220008
" "雙頭螺栓 14*60
" "雙頭螺栓 14*60
" "千件
" "0.05
" "
" "
" "
" 第二標段 2011-7-5 0 17
103292 "83
" "323220009
" "雙頭螺栓 12*60
" "雙頭螺栓 12*60
" "千件
" "0.05
" "
" "
" "
" 第二標段 2011-7-5 0 17
103293 "84
" "323220012
" "雙頭螺栓 22*90
" "雙頭螺栓 22*90
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103294 "85
" "323220065
" "雙頭螺栓 27*160
" "雙頭螺栓 27*160
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103295 "86
" "323270001
" "六角頭交制孔螺栓 GB27 M20*80
" "六角頭交制孔螺栓 GB27 M20*80
" "件
" "1000
" "
" "
" "
" 第二標段 2011-7-5 0 17
103296 "87
" "323360008
" "內六角螺栓 16*50
" "內六角螺栓 16*50
" "千件
" "0.50
" "
" "
" "
" 第二標段 2011-7-5 0 17
103297 "88
" "323360017
" "內六角螺栓 10*40
" "內六角螺栓 10*40
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103298 "89
" "323360018
" "內六角螺栓 10*50
" "內六角螺栓 10*50
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103299 "90
" "323360021
" "內六角螺栓 12*30
" "內六角螺栓 12*30
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103300 "91
" "323360022
" "內六角螺栓 12*40
" "內六角螺栓 12*40
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103301 "92
" "323360024
" "內六角螺栓 12*60
" "內六角螺栓 12*60
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103302 "93
" "323360027
" "內六角螺栓 16*40
" "內六角螺栓 16*40
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103303 "94
" "323360029
" "內六角螺栓 16*100
" "內六角螺栓 16*100
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103304 "95
" "323360049
" "內六角螺栓 16*70
" "內六角螺栓 16*70
" "千件
" "0.20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103305 "96
" "324020008
" "活接頭 Dg20
" "活接頭 Dg20
" "個
" "20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103306 "97
" "324020009
" "活接頭 Dg25
" "活接頭 Dg25
" "個
" "20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103307 "98
" "324020011
" "活接頭 Dg40
" "活接頭 Dg40
" "個
" "100
" "
" "
" "
" 第二標段 2011-7-5 0 17
103308 "99
" "324050013
" "汽包膠墊 DG40
" "汽包膠墊 DG40
" "個
" "100
" "
" "
" "
" 第二標段 2011-7-5 0 17
103309 "100
" "324080002
" "彎頭 Dg20
" "彎頭 Dg20
" "個
" "20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103310 "101
" "324080003
" "彎頭 Dg25
" "彎頭 Dg25
" "個
" "20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103311 "102
" "324080009
" "彎頭(異徑) Dg20×15
" "彎頭(異徑) Dg20×15
" "個
" "20
" "
" "
" "
" 第二標段 2011-7-5 0 17
103312 "103
" "324080051
" "沖壓彎頭 Dg65×5
" "沖壓彎頭 Dg65×5
" "個
" "10
" "
" "
" "
" 第二標段 2011-7-5 0 17