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PC料的特性及注塑工藝是什么?

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PC料的特性及注塑工藝是什么?
PC性能優異,透明度較高,沖擊韌性好,耐蠕變,使用溫度范圍寬,PC的工藝特性是:熔融粘度對剪切率的敏感性小,而對溫度的敏感性大,無明顯熔點,熔融體粘度較高,
高溫下樹脂易水解,制品易開裂。針對這些特性,我們特別要注意區別對待:要增加熔體的流動性,不是用增大注射壓力而應采用提高注射溫度的辦法來達到。要求模具的流道、澆口短而粗,以減少流體的壓力損失,同時要較高的注射壓力。
樹脂在成型加工之前需進行充分的干燥處理,使其含水量控制在0.02%以下,此外,在加工過程中對樹脂還應采取保溫措施,以防重新吸濕。不僅需要合理的制品設計,還應正確掌握成型工藝,如提高模具溫度,對制品進行后處理等可以減少或消除內應力。視產品的不同狀況及時調正工藝參數。
成型工藝
1、注射溫度必須綜合制品的形狀、尺寸,模具結構。制品性能、要求等各方面的情況加以考慮后才能作出。一般在成型中選用溫度在270~320℃之間,過高的料溫如超過340℃時,PC將會出現分解,制品顏色變深,表面出現銀絲、暗條、黑點、氣泡等缺陷,同時物理機械性能也顯著下降。
2、注射壓力對PC制品的物理機械性能,內應力、成型收縮率等有一定的影響對制品的外觀及脫模性有較大的影響,過低或過高的注射壓力都會使制品出現某些缺陷,一般注射壓力控制在80-120MPa之間,對薄壁,長流程,形狀復雜,澆口較小的制品,為克服熔體流動的阻力,以便及時充滿模腔,才選用較高的注射壓力(120-145MPa)。從而獲得完整而表面光滑的制品。
3、保壓壓力及保壓時間保壓壓力的大小及保壓時間的長短對PC制品的內應力有較大的影響,保壓壓力過小,補縮作用小易出現真空泡或表面出現縮凹,保壓壓力過大,澆口周圍易產生較大的內應力,在實際加工中,常以高料溫,低保壓的辦法來解決。保壓時間的選擇應視制品的厚薄,澆口大小,模溫等情
況而定,一般小而薄制品不需很長的保壓時間,相反,大而厚的制品保壓時間應較長。保壓時間的長短可通過澆口封口時間的試驗予以確定。
4、注射速度對PC制品的性能無十分明顯的影響,除了薄壁,小澆口,深孔,長流程制品外,一般采用中速或慢速加工,最好是多級注射,一般采用慢-快-慢的多級注射方式。
5、模具溫度一般控制在80-100℃就可以,對形狀復雜,較薄,
要求較高的制品,也可提高到100-120℃,但不能超過模具熱變形溫度。
6、螺桿轉速與背壓由于PC熔體粘度較大,從有利塑化,有利排氣,有利塑機的維護保養,防止螺桿負荷過大,對螺桿的轉速要求不可太高,一般控制在30-60r/min為宜,而背壓控制在注射壓力的10-15%之間為宜。
7、PC在注塑過程中要嚴格控制脫模劑的使用,同時再生料的使用不能超過三次,使用量應為20%左右。
對生產PC制品的塑機要求:要求制品的最大注射量(包括流道、澆口等)應不大于公稱注射量的70-80%,螺桿選用單頭螺紋等螺距,帶有止回環的漸變壓縮型螺桿,螺桿的長徑比L/D為15-20,幾何壓縮比C/R為2-3。 。以上文獻若需轉載請備注出處:巴斯夫pbt //shanglikaiguan.cn/

延伸閱讀—PC 臺灣奇美 PC-175D應用案列
光學 其它 其它
光盤
參考數據
性能項目 試驗條件[狀態] 測試方法 測試數據
熔融指數 300℃,1.2kg ASTM D1238 48 g/10min
比重 23/23℃ ASTM D792 1.20
吸水率 24hr,23℃ ASTM D570 0.20 %
成型收縮率 -,Parallel ASTM D955 0.5-0.7 %
成型收縮率 -,across ASTM D955 0.5-0.7 %
曲折率 ASTM D542 1.585
降伏引張強度 23℃ ASTM D638 630 %
延伸率 降伏點,23℃ ASTM D638 6 %
延伸率 破斷點,23℃ ASTM D638 70 %
彎曲強度 23℃ ASTM D790 920 kg/cm
彎曲模量 23℃ ASTM D790 24000 kg/cm
洛氏硬度 ASTM D785 M-77 M
體積電阻率 ASTM D257 3 ×10
線膨脹系數 40-100℃ ASTM D696 6-8 ×10
熱傳導率 ASTM C177 0.2 W/m℃
全光穿透率 3mm厚 ASTM D1003 89 %
濁度 3.2mm厚 ASTM D1003 %
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昊天冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)有限(xian)公司(si)(si)(si)(si)(si)(si) 面向(xiang)全(quan)(quan)(quan)國(guo)(guo)(guo)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).禮(li)(li)盒冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao).〈散(san)裝冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)〉高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).海(hai)(hai)(hai)(hai)參.燕(yan)(yan)窩(wo)(wo).鮑(bao)(bao)魚(yu).魚(yu)翅.常(chang)年收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).全(quan)(quan)(quan)國(guo)(guo)(guo)各(ge)(ge)(ge)地(di)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia).卓越(yue)(yue)品(pin)(pin)(pin)(pin)質.源于(yu)(yu)自(zi)然我(wo)公司(si)(si)(si)(si)(si)(si)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).我(wo)公司(si)(si)(si)(si)(si)(si)是一(yi)家(jia)正(zheng)(zheng)規高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)當禮(li)(li)品(pin)(pin)(pin)(pin)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)網有員工(gong)百余(yu)名(ming)分(fen)部在全(quan)(quan)(quan)國(guo)(guo)(guo)各(ge)(ge)(ge)地(di)面向(xiang)全(quan)(quan)(quan)國(guo)(guo)(guo)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).禮(li)(li)盒冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao).〈散(san)裝冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)〉高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).海(hai)(hai)(hai)(hai)參.燕(yan)(yan)窩(wo)(wo).鮑(bao)(bao)魚(yu).魚(yu)翅.常(chang)年收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).全(quan)(quan)(quan)國(guo)(guo)(guo)各(ge)(ge)(ge)地(di)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).卓越(yue)(yue)品(pin)(pin)(pin)(pin)質.源于(yu)(yu)自(zi)然我(wo)公司(si)(si)(si)(si)(si)(si)承諾(nuo)禮(li)(li)品(pin)(pin)(pin)(pin)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)格(ge)(ge)公正(zheng)(zheng).合理.為(wei)全(quan)(quan)(quan)北京(jing)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia).我(wo)公司(si)(si)(si)(si)(si)(si)信(xin)(xin)守承諾(nuo).真誠(cheng)為(wei)廣大顧客(ke)提(ti)供(gong)熱情服務.并嚴(yan)格(ge)(ge)為(wei)客(ke)戶保密.歡迎(ying)各(ge)(ge)(ge)界人士(shi)來電(dian)(dian)咨(zi)詢.謝(xie)(xie)謝(xie)(xie).上(shang)門(men)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).海(hai)(hai)(hai)(hai)參.燕(yan)(yan)窩(wo)(wo).鮑(bao)(bao)魚(yu).藏(zang)紅花等(deng)各(ge)(ge)(ge)種補(bu)品(pin)(pin)(pin)(pin).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou){冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)}各(ge)(ge)(ge)種高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)檔禮(li)(li)品(pin)(pin)(pin)(pin)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)[禮(li)(li)品(pin)(pin)(pin)(pin)盒的(de)(de)]及(ji)散(san)裝冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).插簽.段(duan)草(cao)(cao)(cao)(cao)(cao)(cao).蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)蛀.發霉.以(yi)及(ji)過(guo)期(qi)(qi)(qi)的(de)(de)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao).對(dui)于(yu)(yu)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)的(de)(de)要求(qiu).需產地(di)青海(hai)(hai)(hai)(hai).西藏(zang).四(si)川等(deng)地(di).新疆蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao)不(bu)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).北蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao)不(bu)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).本(ben)(ben)(ben)公司(si)(si)(si)(si)(si)(si)以(yi)誠(cheng)信(xin)(xin)為(wei)本(ben)(ben)(ben).歡迎(ying)來電(dian)(dian).本(ben)(ben)(ben)公司(si)(si)(si)(si)(si)(si)以(yi)誠(cheng)信(xin)(xin)求(qiu)生存.以(yi)信(xin)(xin)譽求(qiu)發展.期(qi)(qi)(qi)待(dai)與您的(de)(de)合作(zuo).一(yi)次合作(zuo).永遠的(de)(de)朋友(you).煩(fan)請假貨勿擾.歡迎(ying)各(ge)(ge)(ge)界人士(shi)來電(dian)(dian)咨(zi)詢謝(xie)(xie)謝(xie)(xie).全(quan)(quan)(quan)國(guo)(guo)(guo)各(ge)(ge)(ge)地(di)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)卓越(yue)(yue)品(pin)(pin)(pin)(pin)質.源于(yu)(yu)自(zi)然我(wo)公司(si)(si)(si)(si)(si)(si)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).我(wo)公司(si)(si)(si)(si)(si)(si)是一(yi)家(jia)正(zheng)(zheng)規高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)當禮(li)(li)品(pin)(pin)(pin)(pin)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)網有員工(gong)百余(yu)名(ming)分(fen)部在全(quan)(quan)(quan)國(guo)(guo)(guo)各(ge)(ge)(ge)地(di)面向(xiang)全(quan)(quan)(quan)國(guo)(guo)(guo)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)全(quan)(quan)(quan)國(guo)(guo)(guo)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou).禮(li)(li)盒冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao).〈散(san)裝冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)〉高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).海(hai)(hai)(hai)(hai)參.燕(yan)(yan)窩(wo)(wo).魚(yu)翅.常(chang)年收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)謝(xie)(xie)謝(xie)(xie).上(shang)門(men)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)格(ge)(ge)面議.高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)北京(jing)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)北京(jing)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)格(ge)(ge).本(ben)(ben)(ben)公司(si)(si)(si)(si)(si)(si)長(chang)(chang)(chang)期(qi)(qi)(qi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).燕(yan)(yan)窩(wo)(wo).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)檔禮(li)(li)品(pin)(pin)(pin)(pin).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)購(gou)(gou)(gou)(gou)(gou)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).海(hai)(hai)(hai)(hai)參.燕(yan)(yan)窩(wo)(wo).鮑(bao)(bao)魚(yu).藏(zang)紅花等(deng)各(ge)(ge)(ge)種補(bu)品(pin)(pin)(pin)(pin).高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou){蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)(cao)(cao)}各(ge)(ge)(ge)種高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)檔禮(li)(li)品(pin)(pin)(pin)(pin)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).禮(li)(li)品(pin)(pin)(pin)(pin)盒的(de)(de).及(ji)散(san)裝冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).插簽.段(duan)草(cao)(cao)(cao)(cao)(cao)(cao).蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)蛀.發霉.以(yi)及(ji)過(guo)期(qi)(qi)(qi)的(de)(de).本(ben)(ben)(ben)機(ji)構多(duo)年從事(shi)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou).冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).等(deng)各(ge)(ge)(ge)種高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)檔禮(li)(li)品(pin)(pin)(pin)(pin).經驗豐富.北京(jing)冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)中(zhong)心根據消(xiao)費(fei)者的(de)(de)需求(qiu)特向(xiang)社(she)會高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)價(jia)(jia)(jia)(jia)(jia)(jia)(jia)(jia)回(hui)(hui)收(shou)(shou)(shou)(shou)(shou)(shou)(shou)各(ge)(ge)(ge)類冬(dong)(dong)(dong)(dong)(dong)蟲(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)(chong)夏(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)(xia)草(cao)(cao)(cao)(cao)(cao)(cao).燕(yan)(yan)窩(wo)(wo).等(deng)各(ge)(ge)(ge)類高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)檔禮(li)(li)品(pin)(pin)(pin)(pin).自(zi)開業多(duo)年以(yi)來得(de)到眾多(duo)個人.家(jia)庭.企業以(yi)及(ji)機(ji)構的(de)(de)一(yi)致好評(ping)本(ben)(ben)(ben)店本(ben)(ben)(ben)著

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