無縫鋼管十年生產(chǎn)經(jīng)驗當?shù)刎浽?/title> <meta name="description" content="無縫鋼管十年生產(chǎn)經(jīng)驗,山特金屬制品(襄垣縣分公司)為您提供無縫鋼管十年生產(chǎn)經(jīng)驗,聯(lián)系人:張經(jīng)理,發(fā)貨地:經(jīng)濟開發(fā)區(qū)匯通國際金屬物流園發(fā)貨到山西省長治市襄垣縣、屯留區(qū)、平順縣、黎城縣、壺關(guān)縣、長子縣、武鄉(xiāng)縣、沁縣、沁源縣、潞城區(qū)。" /> <meta name="keywords" content="無縫鋼管十年生產(chǎn)經(jīng)驗" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <meta name="applicable-device" content="pc,mobile"> <link rel="shortcut icon" href="/images/favicon.ico" /> <link href="/css/style2.css" type="text/css" rel="stylesheet" /> <link href="/css/showmsg.css" type="text/css" rel="stylesheet"> <link rel="stylesheet" href="http://cdn.cjjhb.com/login/zhuceandkefu.css"> <link rel="stylesheet" href="http://yy4080ys.com/css/aicont1216.css"> <meta name="location" content="province=長治市;city=襄垣"> <meta http-equiv="Cache-Control" 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<li>所在地:襄垣 </li> <li>標題:<strong><a href="#">無縫鋼管十年生產(chǎn)經(jīng)驗</a></strong></li> <li> 來源: <span>stgg</span> </li> <div id="owdmllr" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網(wǎng)"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到wx"></a> </div> </ul> <div id="fd4a9oa" class="tu"> <div id="vt9uupk" class="t_left1213"> <div id="jiuswrm" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003503933.jpg" id="pimgbig" alt="無縫鋼管十年生產(chǎn)經(jīng)驗"></div>  <div id="urnbffv" class="playvideo"><img src="/images/play.png" /></div> <div id="9y4g494" class="pvideo"> <video id="pmp4" controls="" controlslist="nodownload" src="http://img.cjjhb.com/pub_soft/40/69_20.mp4" type="video/mp4" preload="none"></video> </div>  <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003503933.jpg" alt="無縫鋼管十年生產(chǎn)經(jīng)驗"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003381316.jpg" alt="無縫鋼管十年生產(chǎn)經(jīng)驗"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212001365475.jpg" alt="無縫鋼管十年生產(chǎn)經(jīng)驗"></li> </ul> </div> </div> </div> <div class="mawsxx4" id="showmsg_content"> <div id="jmy890f" class="new-cont-box new-cont-box-300"> <div id="tnuvpkc" class="new-info-box"> <pre> <hr> <div id="ixzxmmm" class="ty-tips1212">以下是:長治市襄垣縣無縫鋼管十年生產(chǎn)經(jīng)驗的產(chǎn)品參數(shù) </div> <div id="mgcwbw4" class="newcanshubox"> <table><tbody><tr><th>產(chǎn)品價格</th><td>電議</td></tr><tr><th>發(fā)貨期限</th><td>電議</td></tr><tr><th>供貨總量</th><td>電議</td></tr><tr><th>運費說明</th><td>電議</td></tr><tr><th>范圍</th><td>無縫鋼管十年生產(chǎn)經(jīng)驗無縫鋼管供應范圍覆蓋山西省長治市襄垣縣、屯留區(qū)、平順縣、黎城縣、壺關(guān)縣、長子縣、武鄉(xiāng)縣、沁縣、沁源縣、潞城區(qū)等區(qū)域。</td></tr></tbody> </table> </div> <div id="fe4ak9j" class="_hnyd3w2aqb"></div><div id="4ykjccd" class="cont-tips">【山特】持續(xù)拓展產(chǎn)品矩陣，現(xiàn)有壺關(guān)無縫鋼管細節(jié)決定成敗、武鄉(xiāng)無縫鋼管生產(chǎn)加工、沁縣無縫鋼管庫存量大、沁源無縫鋼管質(zhì)檢嚴格、潞城無縫鋼管細節(jié)展示等，滿足不同場景需求。在長治市襄垣縣采買<span id="vkmpzuz" class="tybt1">無縫鋼管十年生產(chǎn)經(jīng)驗</span>到<span id="srihblg" class="tysbm1">山特金屬制品(襄垣縣分公司)stgg40-15</span>,無論您是個人用戶還是企業(yè)采購,我們都將竭誠為您服務。品質(zhì)保證,價格優(yōu)惠,廠家直銷,歡迎有需要的客戶來電。聯(lián)系人:<span id="wvhfjkq" class="tylxr">張經(jīng)理</span>,地址:《<span id="li84h4y" class="tydz">經(jīng)濟開發(fā)區(qū)匯通國際金屬物流園</span>》。山西省,長治市,襄垣縣戰(zhàn)國初期，趙襄子筑城于此，故名襄垣。西漢初置縣，歷代未改，已有2400多年歷史。2009年，被聯(lián)合國教科文組織命名為“中國千年古縣”。襄垣歷代英才輩出，主要歷史名人有漢初政治家張良，東晉高僧法顯，明代?“三部尚書”劉龍等，其中法顯是世界杰出的佛學家、旅行家、翻譯家，是中國民間西行求法人，比唐玄奘早230年，比哥倫布發(fā)現(xiàn)美洲大陸早1080年。襄垣也是中華連氏發(fā)祥地，2009年4月國民黨名譽主席連戰(zhàn)曾專程回鄉(xiāng)尋根祭祖。 </div> <p> <div id="enk4sxx" class="ty-tips1212">為了給您提供更的無縫鋼管十年生產(chǎn)經(jīng)驗產(chǎn)品信息，解鎖無縫鋼管十年生產(chǎn)經(jīng)驗產(chǎn)品新體驗，視頻帶你玩轉(zhuǎn)每個細節(jié)！</div><p><video id='pmp4' width='' class='pmp4' height='auto' controls controlsList='nodownload' type='video/mp4' preload='none' src="http://img.cjjhb.com/pub_soft/40/69_11.mp4" poster='http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003557428.jpg' ></video><br></p><div id="swdtiny" class="ty-tips1212">以下是:長治襄垣無縫鋼管十年生產(chǎn)經(jīng)驗的圖文介紹 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004354419.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004324735.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><div id="ti3zezu" class="khcont"><p> 種規(guī)格，材質(zhì)無縫鋼管，精密管，質(zhì)量好，價格低，鋼管廠交貨快價格低，保證質(zhì)量，生產(chǎn)的精密鋼管無麻點、劃痕、裂紋、翹皮等外觀缺陷，內(nèi)外表面光亮，精密程度遠大于普通鋼管，較小公差2絲。因此，常用于對精密度和光潔度要求較高的領(lǐng)域，以達到提高產(chǎn)品質(zhì)量，降低加工成本的目的。精密鋼管技術(shù)條件為：內(nèi)外徑公差：0.03-0.05mm內(nèi)孔精度：H7—H10內(nèi)孔粗糙度：Ra≤0… </p> <p style="background:white;"> <span style="font-size:10.5pt;font-family:"微軟雅黑","sans-serif";color:black;">檢查材料質(zhì)量合格證明書、標識及檢驗報告是否符合現(xiàn)行有關(guān)標準及規(guī)范的要求。鋼板厚度及允許偏差是否符合產(chǎn)品標準的要求。鋼材外觀質(zhì)量是否符合現(xiàn)行有關(guān)標準的規(guī)定，當鋼材表面有銹蝕、麻點或劃痕等缺陷時，其深度不得大于鋼材厚度允許偏差值的<span>12</span>；鋼材表面的銹蝕等級應符合現(xiàn)行標準涂裝前鋼材表面銹蝕等級和除銹等級<span>GB8923</span>規(guī)定的<span>C</span>級及<span>C</span>級以上；鋼材端邊或斷口處不應有分層、夾渣等缺陷。<span></span></span> </p> <p style="background:white;"> <span style="font-size:10.5pt;font-family:"微軟雅黑","sans-serif";color:black;">第二：放樣下料<span></span></span> </p> <p style="background:white;"> <span style="font-size:10.5pt;font-family:"微軟雅黑","sans-serif";color:black;">在放樣前必須用鋼卷尺對鋼板進行檢查，并找正。鋼材的放樣尺寸按卷管的中徑計算，放樣后在鋼板上打上樣沖，并標出鋼板的中心線。管道坡口加工宜采用機械方法，也可采用等離子弧、氧乙炔焰等熱加工方法?；鹧媲懈钋皯獙摬谋砻婢嗲懈钸吘?span>50mm</span>范圍內(nèi)的銹斑、油污等干凈。采用熱加工方法加工坡口后，應除去坡口表面的氧化皮、熔渣及影響接頭質(zhì)量的表面層，并應將凹凸不平處打磨平整，切口上不得產(chǎn)生裂紋，并不宜有大于<span>10mm</span>的缺棱，切割后應邊緣上的氧化物、熔瘤和飛濺物等。機械加工時，加工表面不應出現(xiàn)臺階。對接坡口根據(jù)工藝及規(guī)范的要求進行加工，簿板一般采用<span>V</span>型坡口，厚板采有<span>X</span>型坡口，對于小于<span>6mm</span>的板材，可不加工坡口，但在反面焊接時，必須砌底清根。切口或坡口邊緣上的缺棱，當其為<span>1</span>～<span>3mm</span>時，可用機械加工或修磨平整，但不能超過的<span>1/10</span>；當缺棱或溝槽超過<span>30mm</span>時則用Φ<span>3.2</span>以下的低氫型焊條補焊，并修磨平整。切口或坡口邊緣上若出現(xiàn)分層性質(zhì)的裂紋，需用<span>10</span>倍以上的放大鏡或超聲波探測其長度和深度。當長度<span>a</span>和深度<span>d</span>均在<span>50mm</span>內(nèi)時，在裂紋的兩端各延長<span>15mm</span>，連同裂紋起用鏟削、電弧氣刨、砂輪打磨等方法加工成坡口，再用Φ<span>3.2</span>的低氫型焊條補焊，并修磨平整；當其深度<span>d</span>大于<span>50mm</span>或累計長度超過板寬的<span>20</span>％時，除按上述方法處理外，還應在板面上開槽或鉆孔，增加塞焊。<span></span></span> </p> <p style="background:white;"> <span style="font-size:10.5pt;font-family:"微軟雅黑","sans-serif";color:black;">第三：管節(jié)的卷制<span></span></span> </p> <span style="font-size:10.5pt;font-family:"微軟雅黑","sans-serif";color:black;">在卷管加工過程中，應防止板材表面損傷。對有嚴重傷痕的部位必須進行修磨，使其圓滑過渡，且修磨處的壁厚不得小于設計壁厚。鋼板卷管采用一次性成型工藝，卷制時，先將鋼板兩頭壓彎，直徑應小于卷管直徑。然后調(diào)整滾床壓力，分二到三次卷制鋼管。將卷好的管節(jié)點焊加固，御下滾床后運往焊接平臺施焊。</span> <p> </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004290795.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004227254.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004185763.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><p class="typys"><span id="uzqh4d9" class="tycsgsmz2">長治襄垣山特金屬制品有限公司</span>是具有多年歷史的<span id="s4jibb4" class="tycsgjc2"> 無縫鋼管</span>制造企業(yè)，是我國<span id="af3llvm" class="tycsgjc2"> 無縫鋼管</span>生產(chǎn)基地專業(yè)制造廠家之一。公司位于經(jīng)濟開發(fā)區(qū)匯通國際金屬物流園，交通便捷，通訊暢達，<span id="ejgkjzr" class="tycsgjc2"> 無縫鋼管</span>產(chǎn)品暢銷全國各地，深受用戶歡迎。</p></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004127360.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004057624.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><div id="44fuekc" class="khcont"><p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span><span style="font-family:arial;">無縫鋼管的制造方法</span></span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span><span style="font-family:arial;"> 生產(chǎn)制造方法</span></span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span><span style="font-family:arial;"> 按生產(chǎn)方法不同可分為熱軋管、冷軋管、冷拔管、擠壓管等。</span></span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span>1.1、熱軋無縫</span></strong><strong><span><span style="font-family:arial;">鋼管</span></span></strong><strong><span><span style="font-family:arial;">一般在自動軋管機組上生產(chǎn)。實心管坯經(jīng)檢查并表面缺陷，截成所需長度，在管坯穿孔端端面上定心，然后送往加熱爐加熱，在穿孔機上穿孔。在穿孔同時不斷旋轉(zhuǎn)和前進，在軋輥和頂頭的作用下，管坯內(nèi)部逐漸形成空腔，稱毛管。再送至自動軋管機上繼續(xù)軋制。后經(jīng)均整機均整壁厚，經(jīng)定徑機定徑，達到規(guī)格要求。利用連續(xù)式軋管機組生產(chǎn)熱軋無縫鋼管是較先進的方法。</span></span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span>1.2、若欲獲得尺寸更小和質(zhì)量更好的無縫管，必須采用冷軋、冷拔或者兩者聯(lián)合的方法。冷軋通常在二輥式軋機上進行，鋼管在變斷面圓孔槽和不動的錐形頂頭所組成的環(huán)形孔型中軋制。冷拔通常在0.5～100T的單鏈式或雙鏈式冷拔機上進行。</span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span>1.3、擠壓法即將加熱好的管坯放在密閉的擠壓圓筒內(nèi)，穿孔棒與擠壓桿一起運動，使擠壓件從較小的?？字袛D出。此法可生產(chǎn)直徑較小的鋼管。</span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span><span style="font-family:arial;"> 用途</span></span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span>2.1、無縫管用途很廣泛。一般用途的無縫管由普通碳素結(jié)構(gòu)鋼、低合金結(jié)構(gòu)鋼或合金結(jié)構(gòu)鋼軋制，產(chǎn)量多，主要用作輸送流體的管道或結(jié)構(gòu)零件。</span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-indent:0px;" align="justify"> <strong><span>2.2、根據(jù)用途不同分三類供給：a、按化學成分和機械性能供給;b、按機械性能供給;c、按水壓試驗供給。按a、b類供給的鋼管，如用于承受液體壓力，也要進行水壓試驗。</span></strong> </p> <p style="font-size:12px;font-family:"Hiragino Sans GB", Tahoma, Arial, 宋體, sans-serif;font-weight:400;color:#333333;font-style:normal;text-align:left;text-indent:0px;"> <strong><span>2.3、專門用途的無縫管有鍋爐用無縫管、地質(zhì)用無縫管及石油用無縫管等多種。</span></strong> </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212004037198.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003557428.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/40/69/202402212003527046.jpg" title="無縫鋼管十年生產(chǎn)經(jīng)驗"><br></p><p>stgg</p><p></p><p><img src="http://qyimg.bj003.com/upload/202010/28/202010280947033534.jpg" alt="無縫鋼管十年生產(chǎn)經(jīng)驗"/></p><div id="bb4hc3a" class="khcont6"><span style="font-size:12px;font-family:宋體;font-weight:400;color:#000000;font-style:normal;">無縫管鋼貿(mào)商糾結(jié)的囤貨、拋貨，都可以通過鋼鐵期貨來化解資金壓力和對沖風險。鋼市在3月底至4月初經(jīng)歷一波上漲態(tài)勢后，近期再次回調(diào)進入震蕩盤整期，預計在沒有明顯利好消息刺激下，無縫管將維持震蕩趨弱走勢。宏觀信息：大宗商品走勢將分化反彈或難持久：與股票和債券市場相比，今年以來的大宗商品市場表現(xiàn)出眾。與去年的頹勢不同，今年以來的國際大宗商品市場由于極端天氣以及新興市場資金流出風險增大等原因，整體表現(xiàn)較好，吸引大量資金流入。然而，拉動商品價格上漲的因素多為非需求性的。根據(jù)多家投行觀點，后期大宗商品市場走勢或?qū)⒎只糠稚唐飞踔脸霈F(xiàn)了資金流出的跡象。無論是宏觀方面還是鋼材市場基本面都是利空消息占主導地位，如果短期內(nèi)利好消息缺失或者減弱的話，估計無縫管市場都可能處于小幅下跌之中。導致其下游客戶滿意度下降，為保證訂單順利執(zhí)行和貼近市場，故對5月價格進行了下調(diào)。對于鋼材后市，劉秋平預計，其他鋼企由于前期使用較為低成本的鐵礦石等原料，且已經(jīng)下調(diào)鋼價，預計5月價格政策預計以平盤為主。另外，深化鐵路投融資體制改革、加快鐵路建設的決定，激發(fā)了市場對于大規(guī)?；ㄍ顿Y的期待，也在一定程度上帶動了鋼價的上行?！颁搩r持續(xù)走高，短期內(nèi)或還將繼續(xù)上行。但面對不斷追高的價格，目前市場已有些許擔憂?！变撀?lián)資訊分析師趙滿滿如是說。</span></div><div id="kf4bq84" class=imgtipsbox>點擊查看山特金屬制品(襄垣縣分公司)的<a href="/xiangyuanstgg/picture.html"><span id="mw4iz4f" class=imgtips>【產(chǎn)品相冊庫】</span></a>以及我們的<a href="/xiangyuanstgg/video.html"><span id="rl4wnid" class=videotips>【產(chǎn)品視頻庫】</span></a></div> </p> <hr> <div id="bbvej4r" class="cont-tips">您是想要在長治市襄垣縣采購高質(zhì)量的<span id="bbsgwgr" class="tybt2">無縫鋼管十年生產(chǎn)經(jīng)驗</span>產(chǎn)品嗎？<span id="smonnyv" class="tysbm2">山特金屬制品(襄垣縣分公司)</span>是您的不二之選！我們致力于提供品質(zhì)保證、價格優(yōu)惠的無縫鋼管十年生產(chǎn)經(jīng)驗產(chǎn)品,品種齊全,不斷創(chuàng)新,致力于滿足廣大客戶的多種需求,聯(lián)系人:<span id="n9avpkx" class="tylxr">張經(jīng)理</span>,地址:《<span id="dytss8i" class="tydz">經(jīng)濟開發(fā)區(qū)匯通國際金屬物流園</span>》。</div> </pre> </div> <div id="cczyyn8" class="main-bd"> <a target="_blank">在360搜索 <span id="8wtetd3" class="sstitle2024">無縫鋼管十年生產(chǎn)經(jīng)驗</span> 的信息</a></br> <a target="_blank">在搜狗搜索 <span id="sh8dpkr" class="sstitle2024">無縫鋼管十年生產(chǎn)經(jīng)驗</span> 的信息</a> </div> </div> </div> </div> </div>   <div class="yt3zlg3" id="showmsg_right">  <div id="ejbffvx" class="title"><a class="title-name">聯(lián)系我們</a> <span>CONTACT US</span> </div> <div class="jnptnsz" id="showmsg_right_advt"> <ul class="lxfsbox"> <li>聯(lián)系人：張經(jīng)理</li> <li id="vpwak99" class="mobileimg">手機：17768165506</li> <li id="ynj4lqm" class="mobileimg">QQ：1709369013</li> <li>企業(yè)：<a href="/xiangyuanstgg" target="_blank"> 山特金屬制品(襄垣縣分公司)</a></li> <li>主營：無縫鋼管</li> <li>地址：經(jīng)濟開發(fā)區(qū)匯通國際金屬物流園發(fā)貨到襄垣</li> </ul> </div>  <div class="y4bmhm4" id="showmsg_sj"> 您也許對襄垣本地以下產(chǎn)品新聞也感興趣 </div> <div class="lwxwbgd" id="showmsg_sj"> <ul> <div id="v4sniya" class="_cvwrv6ty2rh"></div> <li><a href="/xuwenjunb/AK9491557.html" title="不銹鋼板實力廠家質(zhì)量穩(wěn)定"><span id="i4qlvvc" class="xgxxwzlist_1">不銹鋼板實力廠家質(zhì)量穩(wěn)定AK9491557.html</span></a></li> <li><a href="/xuwenjunb/AK9491108.html" title="#成品天溝#廠家現(xiàn)貨"><span id="gqcv3cw" class="xgxxwzlist_2">#成品天溝#廠家現(xiàn)貨AK9491108.html</span></a></li> <li><a href="/xuwenjunb/AK9490444.html" title="無縫鋼管質(zhì)量好發(fā)貨快"><span id="9eqoty4" class="xgxxwzlist_3">無縫鋼管質(zhì)量好發(fā)貨快AK9490444.html</span></a></li> <li><a href="/xuwenjunb/AK9488665.html" 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