中國(guo)PCB產值(zhi)占比過(guo)半(ban)，逐步(bu)成為全(quan)球PCB產業(ye)(ye)中心。據(ju)(ju)Prismark統計(ji)，2022年(nian)全(quan)球PCB產業(ye)(ye)總產值(zhi)達817.41億(yi)(yi)美(mei)元(yuan)(yuan)，同比增長1.0%，相(xiang)較(jiao)于(yu)2018年(nian)增長近2億(yi)(yi)元(yuan)(yuan)美(mei)元(yuan)(yuan)。2022年(nian)中國(guo)PCB產業(ye)(ye)總產值(zhi)可以(yi)達到(dao)442億(yi)(yi)美(mei)元(yuan)(yuan)，占全(quan)球的(de)(de)54.1%，占比過(guo)半(ban)。根(gen)據(ju)(ju)CINNOResearch數據(ju)(ju)，2021全(quan)球PCB制造企(qi)(qi)(qi)業(ye)(ye)年(nian)度上(shang)榜(bang)的(de)(de)中國(guo)企(qi)(qi)(qi)業(ye)(ye)總計(ji)62家，占整(zheng)體企(qi)(qi)(qi)業(ye)(ye)超六成：其中，中國(guo)大陸(lu)企(qi)(qi)(qi)業(ye)(ye)數量占比接近40%，中國(guo)臺(tai)灣地區企(qi)(qi)(qi)業(ye)(ye)數量占比超過(guo)20%。2016年(nian)以(yi)來，我(wo)國(guo)大陸(lu)PCB產值(zhi)規模(mo)在全(quan)球的(de)(de)比重保(bao)持在50%以(yi)上(shang)。隨(sui)著PCB產業(ye)(ye)轉移的(de)(de)深(shen)化，我(wo)國(guo)PCB產值(zhi)規模(mo)比重將進一(yi)步(bu)提升。PCB電(dian)路板基礎(chu)入門知識。貼片PCB有(you)鉛(qian)噴(pen)錫

PCB雙(shuang)(shuang)面(mian)(mian)(mian)板(ban)（Double-Sided Boards）這種電(dian)(dian)路(lu)板(ban)的(de)(de)兩(liang)(liang)面(mian)(mian)(mian)都有(you)布線(xian)，不過(guo)要(yao)用上(shang)兩(liang)(liang)面(mian)(mian)(mian)的(de)(de)導(dao)(dao)(dao)線(xian)，必(bi)(bi)須要(yao)在(zai)(zai)兩(liang)(liang)面(mian)(mian)(mian)間有(you)適當的(de)(de)電(dian)(dian)路(lu)連接才(cai)行。這種電(dian)(dian)路(lu)間的(de)(de)“橋梁”叫(jiao)做導(dao)(dao)(dao)孔（via），俗稱(cheng)過(guo)孔。導(dao)(dao)(dao)孔是在(zai)(zai)PCB上(shang)，充(chong)滿或(huo)涂上(shang)金屬的(de)(de)小洞，它可以與兩(liang)(liang)面(mian)(mian)(mian)的(de)(de)導(dao)(dao)(dao)線(xian)相連接，因(yin)(yin)此，增加了(le)過(guo)孔的(de)(de)雙(shuang)(shuang)面(mian)(mian)(mian)板(ban)解決了(le)單面(mian)(mian)(mian)板(ban)中因(yin)(yin)為布線(xian)交錯(cuo)而增大板(ban)面(mian)(mian)(mian)積的(de)(de)難點(dian)（可以通(tong)過(guo)孔導(dao)(dao)(dao)通(tong)到(dao)另一面(mian)(mian)(mian)）。過(guo)孔內必(bi)(bi)須有(you)銅(tong)箔(bo)，如因(yin)(yin)生(sheng)產失誤導(dao)(dao)(dao)致的(de)(de)孔內無銅(tong)或(huo)者(zhe)銅(tong)箔(bo)太(tai)薄導(dao)(dao)(dao)致過(guo)電(dian)(dian)流時候(hou)的(de)(de)孔銅(tong)崩裂等情況(kuang)時，正(zheng)反兩(liang)(liang)面(mian)(mian)(mian)就沒有(you)辦法導(dao)(dao)(dao)通(tong)，也不無法實現其功(gong)能。深圳電(dian)(dian)子廠單雙(shuang)(shuang)面(mian)(mian)(mian)PCB無鉛噴錫pcb板(ban)的(de)(de)設計與制作廠家。

PCB（PrintedCircuitBoard，印刷電(dian)(dian)(dian)(dian)路(lu)板(ban)(ban)）是(shi)(shi)現代電(dian)(dian)(dian)(dian)子設(she)備中不可缺少的(de)(de)(de)一(yi)(yi)(yi)部分，它(ta)在(zai)(zai)電(dian)(dian)(dian)(dian)子設(she)備中起(qi)著(zhu)連接、傳(chuan)遞信號、支持和(he)(he)(he)(he)(he)(he)保護電(dian)(dian)(dian)(dian)子元(yuan)器(qi)(qi)件(jian)(jian)的(de)(de)(de)作用(yong)。PCB通常(chang)由多層(ceng)(ceng)(ceng)(ceng)線(xian)路(lu)板(ban)(ban)組(zu)成，每層(ceng)(ceng)(ceng)(ceng)線(xian)路(lu)板(ban)(ban)都有不同(tong)的(de)(de)(de)功能(neng)(neng)和(he)(he)(he)(he)(he)(he)特(te)點。下面，我們將介紹PCB板(ban)(ban)的(de)(de)(de)各(ge)層(ceng)(ceng)(ceng)(ceng)詳細(xi)信息。信號層(ceng)(ceng)(ceng)(ceng)（SignalLayer），信號層(ceng)(ceng)(ceng)(ceng)是(shi)(shi)PCB板(ban)(ban)中重要(yao)(yao)的(de)(de)(de)一(yi)(yi)(yi)層(ceng)(ceng)(ceng)(ceng)，它(ta)是(shi)(shi)連接各(ge)個(ge)(ge)元(yuan)器(qi)(qi)件(jian)(jian)的(de)(de)(de)主(zhu)要(yao)(yao)層(ceng)(ceng)(ceng)(ceng)。在(zai)(zai)信號層(ceng)(ceng)(ceng)(ceng)上(shang)，通常(chang)會布(bu)置(zhi)電(dian)(dian)(dian)(dian)路(lu)、信號傳(chuan)輸線(xian)、電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)線(xian)和(he)(he)(he)(he)(he)(he)接地線(xian)等。信號層(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)布(bu)線(xian)設(she)計直接影響著(zhu)整(zheng)個(ge)(ge)PCB的(de)(de)(de)性能(neng)(neng)和(he)(he)(he)(he)(he)(he)可靠性。電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)層(ceng)(ceng)(ceng)(ceng)（PowerLayer），電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)層(ceng)(ceng)(ceng)(ceng)是(shi)(shi)PCB板(ban)(ban)中的(de)(de)(de)一(yi)(yi)(yi)層(ceng)(ceng)(ceng)(ceng)，它(ta)主(zhu)要(yao)(yao)用(yong)于(yu)(yu)連接電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)和(he)(he)(he)(he)(he)(he)地線(xian)。在(zai)(zai)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)層(ceng)(ceng)(ceng)(ceng)上(shang)，通常(chang)會布(bu)置(zhi)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)和(he)(he)(he)(he)(he)(he)地線(xian)，以確保整(zheng)個(ge)(ge)PCB的(de)(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)供應穩定和(he)(he)(he)(he)(he)(he)可靠。地線(xian)層(ceng)(ceng)(ceng)(ceng)（GroundLayer），地線(xian)層(ceng)(ceng)(ceng)(ceng)也是(shi)(shi)PCB板(ban)(ban)中的(de)(de)(de)一(yi)(yi)(yi)層(ceng)(ceng)(ceng)(ceng)，它(ta)主(zhu)要(yao)(yao)用(yong)于(yu)(yu)連接各(ge)個(ge)(ge)元(yuan)器(qi)(qi)件(jian)(jian)的(de)(de)(de)地線(xian)。在(zai)(zai)地線(xian)層(ceng)(ceng)(ceng)(ceng)上(shang)，通常(chang)會布(bu)置(zhi)接地線(xian)和(he)(he)(he)(he)(he)(he)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)線(xian)，以確保整(zheng)個(ge)(ge)PCB的(de)(de)(de)地線(xian)連接穩定和(he)(he)(he)(he)(he)(he)可靠。焊(han)盤層(ceng)(ceng)(ceng)(ceng)（PadLayer），焊(han)盤層(ceng)(ceng)(ceng)(ceng)是(shi)(shi)PCB板(ban)(ban)中的(de)(de)(de)一(yi)(yi)(yi)層(ceng)(ceng)(ceng)(ceng)，它(ta)主(zhu)要(yao)(yao)用(yong)于(yu)(yu)連接元(yuan)器(qi)(qi)件(jian)(jian)和(he)(he)(he)(he)(he)(he)PCB板(ban)(ban)。在(zai)(zai)焊(han)盤層(ceng)(ceng)(ceng)(ceng)上(shang)，通常(chang)會布(bu)置(zhi)焊(han)盤和(he)(he)(he)(he)(he)(he)插孔，以使元(yuan)器(qi)(qi)件(jian)(jian)能(neng)(neng)夠連接到PCB板(ban)(ban)上(shang)。組(zu)裝層(ceng)(ceng)(ceng)(ceng)（AssemblyLayer），組(zu)裝層(ceng)(ceng)(ceng)(ceng)是(shi)(shi)PCB板(ban)(ban)中的(de)(de)(de)一(yi)(yi)(yi)層(ceng)(ceng)(ceng)(ceng)，它(ta)主(zhu)要(yao)(yao)用(yong)于(yu)(yu)組(zu)裝元(yuan)器(qi)(qi)件(jian)(jian)。在(zai)(zai)組(zu)裝層(ceng)(ceng)(ceng)(ceng)上(shang)，通常(chang)會布(bu)置(zhi)元(yuan)器(qi)(qi)件(jian)(jian)的(de)(de)(de)安裝位置(zhi)和(he)(he)(he)(he)(he)(he)安裝方式，以便PCB制造(zao)商進行元(yuan)器(qi)(qi)件(jian)(jian)的(de)(de)(de)組(zu)裝和(he)(he)(he)(he)(he)(he)焊(han)接。

PCB就是(shi)(shi)印(yin)制(zhi)(zhi)電(dian)(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)又(you)稱印(yin)制(zhi)(zhi)線路(lu)板(ban)(ban)(ban)(ban)，是(shi)(shi)電(dian)(dian)(dian)子(zi)(zi)原(yuan)件(jian)(jian)的(de)(de)承載部(bu)分。PCB板(ban)(ban)(ban)(ban)就是(shi)(shi)印(yin)制(zhi)(zhi)電(dian)(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)，又(you)稱印(yin)刷(shua)電(dian)(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)，是(shi)(shi)電(dian)(dian)(dian)子(zi)(zi)元器件(jian)(jian)電(dian)(dian)(dian)氣連接的(de)(de)提供者。線路(lu)是(shi)(shi)做為原(yuan)件(jian)(jian)之間(jian)導(dao)通的(de)(de)工具，在(zai)設(she)計(ji)上會另外設(she)計(ji)大銅面(mian)作(zuo)為接地及(ji)(ji)電(dian)(dian)(dian)源層。線路(lu)與(yu)圖面(mian)是(shi)(shi)同時做出的(de)(de)。布線密度高，體積小，重(zhong)量輕，利于電(dian)(dian)(dian)子(zi)(zi)設(she)備的(de)(de)小型(xing)化。板(ban)(ban)(ban)(ban)子(zi)(zi)本身的(de)(de)基(ji)(ji)板(ban)(ban)(ban)(ban)是(shi)(shi)由(you)絕緣(yuan)隔(ge)熱(re)、并不(bu)易(yi)彎(wan)曲的(de)(de)材(cai)質所制(zhi)(zhi)作(zuo)成。在(zai)表(biao)面(mian)可以看到的(de)(de)細小線路(lu)材(cai)料是(shi)(shi)銅箔，原(yuan)本銅箔是(shi)(shi)覆蓋(gai)在(zai)整個板(ban)(ban)(ban)(ban)子(zi)(zi)上的(de)(de)，而在(zai)制(zhi)(zhi)造過程中部(bu)份(fen)被蝕刻處理掉，留下來(lai)的(de)(de)部(bu)份(fen)就變成網狀的(de)(de)細小線路(lu)了。PCB根(gen)據其基(ji)(ji)板(ban)(ban)(ban)(ban)材(cai)料的(de)(de)不(bu)同而不(bu)同，高頻(pin)微波板(ban)(ban)(ban)(ban)、金屬基(ji)(ji)板(ban)(ban)(ban)(ban)，鋁基(ji)(ji)板(ban)(ban)(ban)(ban)、鐵基(ji)(ji)板(ban)(ban)(ban)(ban)、銅基(ji)(ji)板(ban)(ban)(ban)(ban)、雙面(mian)板(ban)(ban)(ban)(ban)及(ji)(ji)多(duo)層板(ban)(ban)(ban)(ban)PCB是(shi)(shi)英文PrintedCircuitBoard的(de)(de)縮寫，中文名稱為印(yin)制(zhi)(zhi)電(dian)(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)，又(you)稱印(yin)刷(shua)電(dian)(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)、印(yin)刷(shua)線路(lu)板(ban)(ban)(ban)(ban)，是(shi)(shi)重(zhong)要的(de)(de)電(dian)(dian)(dian)子(zi)(zi)部(bu)件(jian)(jian)。PCB行業特性及(ji)(ji)發展(zhan)態(tai)勢競爭格局面(mian)臨(lin)的(de)(de)機遇(yu)挑戰壁壘構成。

PCB行(xing)(xing)業集中度(du)(du)(du)(du)低(di)，頭(tou)部效應(ying)不(bu)明(ming)顯(xian)。PCB的(de)應(ying)用場(chang)景、產品、性能、材(cai)料等方面有較(jiao)大的(de)差異，導致(zhi)(zhi)整(zheng)個(ge)行(xing)(xing)業具(ju)有明(ming)顯(xian)的(de)定制(zhi)(zhi)化特點，行(xing)(xing)業參與者(zhe)眾多，導致(zhi)(zhi)供(gong)給格局(ju)分散。2021年全球(qiu)印制(zhi)(zhi)電路板(ban)(PCB)行(xing)(xing)業CR3集中度(du)(du)(du)(du)超(chao)過15%，CR5集中度(du)(du)(du)(du)約25%，而CR10集中度(du)(du)(du)(du)接近(jin)40%。綜合(he)來看，全球(qiu)PCB市(shi)場(chang)整(zheng)體集中度(du)(du)(du)(du)偏(pian)低(di)，市(shi)場(chang)內(nei)企業數量(liang)較(jiao)多且競爭十(shi)分激烈，頭(tou)部規模效應(ying)不(bu)明(ming)顯(xian)。從市(shi)場(chang)規模看，2021年全球(qiu)PCB行(xing)(xing)業市(shi)場(chang)規模809億(yi)美(mei)元，其中前列(lie)大PCB廠商收入合(he)計為284.04億(yi)美(mei)元。pcb板(ban)的(de)設計與制(zhi)(zhi)作生產廠家。后(hou)亭二十(shi)層PCB無塵車間

PCB的各(ge)層定義及描(miao)述。貼片PCB有鉛噴錫

PCB板(ban)(ban)(ban)(ban)，全稱為PrintedCircuitBoard，是(shi)(shi)(shi)一(yi)(yi)種(zhong)印(yin)刷(shua)電(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)。它(ta)(ta)是(shi)(shi)(shi)一(yi)(yi)種(zhong)用(yong)(yong)于(yu)(yu)支持和(he)(he)連接電(dian)(dian)子元(yuan)器件的(de)(de)(de)基(ji)礎材(cai)(cai)料(liao)，廣泛應(ying)用(yong)(yong)于(yu)(yu)電(dian)(dian)子產(chan)品、計(ji)算(suan)機、通(tong)信(xin)設備等(deng)領域。那么，PCB板(ban)(ban)(ban)(ban)是(shi)(shi)(shi)由什么材(cai)(cai)料(liao)制成(cheng)的(de)(de)(de)呢？下面(mian)我們(men)來詳細(xi)了解(jie)一(yi)(yi)下。1.基(ji)材(cai)(cai)：PCB板(ban)(ban)(ban)(ban)的(de)(de)(de)基(ji)材(cai)(cai)是(shi)(shi)(shi)指電(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)中(zhong)(zhong)非導體(ti)部(bu)分所(suo)(suo)(suo)采(cai)(cai)用(yong)(yong)的(de)(de)(de)材(cai)(cai)料(liao)，主(zhu)要有(you)(you)玻(bo)璃(li)纖維布、環氧(yang)(yang)樹脂、聚(ju)酰(xian)亞(ya)(ya)胺等(deng)。其中(zhong)(zhong)，玻(bo)璃(li)纖維布被廣泛應(ying)用(yong)(yong)于(yu)(yu)雙面(mian)板(ban)(ban)(ban)(ban)和(he)(he)多層(ceng)板(ban)(ban)(ban)(ban)制造(zao)中(zhong)(zhong)，而環氧(yang)(yang)樹脂和(he)(he)聚(ju)酰(xian)亞(ya)(ya)胺則(ze)被用(yong)(yong)于(yu)(yu)高密度(du)(du)多層(ceng)板(ban)(ban)(ban)(ban)的(de)(de)(de)制造(zao)。2.銅(tong)箔(bo)：銅(tong)箔(bo)是(shi)(shi)(shi)PCB板(ban)(ban)(ban)(ban)上導電(dian)(dian)部(bu)分所(suo)(suo)(suo)采(cai)(cai)用(yong)(yong)的(de)(de)(de)材(cai)(cai)料(liao)。它(ta)(ta)通(tong)過化(hua)(hua)學(xue)鍍銅(tong)或(huo)機械(xie)(xie)壓銅(tong)等(deng)工(gong)(gong)藝加工(gong)(gong)而成(cheng)，并在(zai)表面(mian)進行(xing)(xing)化(hua)(hua)學(xue)處理以(yi)(yi)提高其焊(han)接性(xing)(xing)(xing)能和(he)(he)耐腐(fu)蝕性(xing)(xing)(xing)能。銅(tong)箔(bo)厚度(du)(du)通(tong)常(chang)為（1oz=），不同(tong)(tong)厚度(du)(du)適(shi)用(yong)(yong)于(yu)(yu)不同(tong)(tong)類型(xing)的(de)(de)(de)線(xian)路(lu)板(ban)(ban)(ban)(ban)設計(ji)。3.硬化(hua)(hua)劑：硬化(hua)(hua)劑是(shi)(shi)(shi)PCB板(ban)(ban)(ban)(ban)中(zhong)(zhong)環氧(yang)(yang)樹脂固(gu)化(hua)(hua)的(de)(de)(de)關鍵材(cai)(cai)料(liao)。它(ta)(ta)通(tong)過與(yu)環氧(yang)(yang)樹脂反應(ying)形成(cheng)3D網狀結構，從而使得PCB板(ban)(ban)(ban)(ban)具有(you)(you)良(liang)好的(de)(de)(de)機械(xie)(xie)性(xing)(xing)(xing)能和(he)(he)耐高溫(wen)性(xing)(xing)(xing)能。4.阻焊(han)油墨：阻焊(han)油墨是(shi)(shi)(shi)一(yi)(yi)種(zhong)在(zai)PCB板(ban)(ban)(ban)(ban)表面(mian)涂布的(de)(de)(de)材(cai)(cai)料(liao)，用(yong)(yong)于(yu)(yu)保護電(dian)(dian)路(lu)板(ban)(ban)(ban)(ban)上不需要焊(han)接的(de)(de)(de)區(qu)域。它(ta)(ta)可(ke)以(yi)(yi)提高PCB板(ban)(ban)(ban)(ban)的(de)(de)(de)絕緣性(xing)(xing)(xing)能和(he)(he)耐腐(fu)蝕性(xing)(xing)(xing)能，同(tong)(tong)時還可(ke)以(yi)(yi)減(jian)少(shao)短路(lu)和(he)(he)漏(lou)電(dian)(dian)等(deng)問題。5.印(yin)刷(shua)油墨：印(yin)刷(shua)油墨是(shi)(shi)(shi)一(yi)(yi)種(zhong)在(zai)PCB板(ban)(ban)(ban)(ban)表面(mian)印(yin)刷(shua)線(xian)路(lu)圖(tu)案所(suo)(suo)(suo)采(cai)(cai)用(yong)(yong)的(de)(de)(de)材(cai)(cai)料(liao)。它(ta)(ta)通(tong)常(chang)采(cai)(cai)用(yong)(yong)UV光(guang)固(gu)化(hua)(hua)技術進行(xing)(xing)加工(gong)(gong)。貼(tie)片PCB有(you)(you)鉛噴錫

深圳市(shi)駿(jun)杰(jie)鑫(xin)電(dian)(dian)子有限公(gong)司(si)是一家從(cong)事線(xian)路(lu)板(ban)/電(dian)(dian)路(lu)板(ban)，PCB/PCBA，集(ji)成電(dian)(dian)路(lu)板(ban)/貼(tie)片(pian)(pian)后焊，SMT/DIP研發、生產(chan)、銷售及售后的(de)(de)生產(chan)型企業(ye)。公(gong)司(si)坐落在深圳市(shi)寶安區沙井街道(dao)后亭社區第二工業(ye)區86號307，成立于2016-12-20。公(gong)司(si)通過創新型可持續發展為重(zhong)心(xin)理念(nian)，以客(ke)戶(hu)滿意為重(zhong)要標準。駿(jun)杰(jie)鑫(xin)電(dian)(dian)子目前(qian)推出了線(xian)路(lu)板(ban)/電(dian)(dian)路(lu)板(ban)，PCB/PCBA，集(ji)成電(dian)(dian)路(lu)板(ban)/貼(tie)片(pian)(pian)后焊，SMT/DIP等(deng)多(duo)(duo)款(kuan)產(chan)品，已(yi)經和行業(ye)內(nei)多(duo)(duo)家企業(ye)建立合作(zuo)伙(huo)伴(ban)關(guan)系，目前(qian)產(chan)品已(yi)經應用于多(duo)(duo)個領域。我們(men)堅持技術創新，把握市(shi)場(chang)關(guan)鍵需求(qiu)，以重(zhong)心(xin)技術能力(li)，助力(li)電(dian)(dian)子元器件發展。我們(men)以客(ke)戶(hu)的(de)(de)需求(qiu)為基(ji)礎，在產(chan)品設(she)計(ji)(ji)和研發上面(mian)(mian)苦下(xia)功(gong)夫(fu)，一份份的(de)(de)不(bu)懈(xie)努力(li)和付出，打造了駿(jun)杰(jie)鑫(xin)電(dian)(dian)子產(chan)品。我們(men)從(cong)用戶(hu)角度，對每(mei)一款(kuan)產(chan)品進(jin)行多(duo)(duo)方(fang)面(mian)(mian)分析(xi)，對每(mei)一款(kuan)產(chan)品都精心(xin)設(she)計(ji)(ji)、精心(xin)制作(zuo)和嚴格(ge)檢驗。線(xian)路(lu)板(ban)/電(dian)(dian)路(lu)板(ban)，PCB/PCBA，集(ji)成電(dian)(dian)路(lu)板(ban)/貼(tie)片(pian)(pian)后焊，SMT/DIP產(chan)品滿足客(ke)戶(hu)多(duo)(duo)方(fang)面(mian)(mian)的(de)(de)使用要求(qiu)，讓(rang)客(ke)戶(hu)買的(de)(de)放(fang)心(xin)，用的(de)(de)稱心(xin)，產(chan)品定位以經濟(ji)實用為重(zhong)心(xin)，公(gong)司(si)真(zhen)誠(cheng)期(qi)待與您合作(zuo)，相信(xin)有了您的(de)(de)支(zhi)持我們(men)會以昂揚的(de)(de)姿態不(bu)斷前(qian)進(jin)、進(jin)步。

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