国(guo)(guo)(guo)(guo)际铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)仍(reng)保持一(yi)(yi)定增(zeng)(zeng)(zeng)(zeng)长(zhang)速度，但(dan)增(zeng)(zeng)(zeng)(zeng)幅回落(luo)：90年代以来(lai)。在(zai)(zai)国(guo)(guo)(guo)(guo)际铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)增(zeng)(zeng)(zeng)(zeng)长(zhang)中(zhong)起(qi)较(jiao)(jiao)大(da)作用的(de)(de)(de)主要是(shi)(shi)两(liang)(liang)类(lei)(lei)(lei)国(guo)(guo)(guo)(guo)家(jia)(jia)。一(yi)(yi)类(lei)(lei)(lei)是(shi)(shi)北美和欧洲(zhou)的(de)(de)(de)发(fa)(fa)达国(guo)(guo)(guo)(guo)家(jia)(jia)，如(ru)美国(guo)(guo)(guo)(guo)、加拿大(da)、法国(guo)(guo)(guo)(guo)、德(de)国(guo)(guo)(guo)(guo)、意大(da)利、英国(guo)(guo)(guo)(guo)、日本等国(guo)(guo)(guo)(guo)家(jia)(jia)。另一(yi)(yi)类(lei)(lei)(lei)是(shi)(shi)亚(ya)洲(zhou)和南(nan)美的(de)(de)(de)发(fa)(fa)展中(zhong)国(guo)(guo)(guo)(guo)家(jia)(jia)、欠发(fa)(fa)达国(guo)(guo)(guo)(guo)家(jia)(jia)及地区(qu)，如(ru)中(zhong)国(guo)(guo)(guo)(guo)、印度、韩国(guo)(guo)(guo)(guo)、中(zhong)国(guo)(guo)(guo)(guo)台(tai)湾(wan)省、马来(lai)西亚(ya)、泰国(guo)(guo)(guo)(guo)、菲(fei)律宾、印度尼西亚(ya)、巴(ba)西、智利等国(guo)(guo)(guo)(guo)家(jia)(jia)。;肖费(fei)(fei)比例两(liang)(liang)类(lei)(lei)(lei)国(guo)(guo)(guo)(guo)家(jia)(jia)大(da)致(zhi)各(ge)占一(yi)(yi)半。从今后的(de)(de)(de)发(fa)(fa)展趋势看，类(lei)(lei)(lei)国(guo)(guo)(guo)(guo)家(jia)(jia)铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)量已(yi)经(jing)(jing)基(ji)本趋于稳定，铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)增(zeng)(zeng)(zeng)(zeng)长(zhang)幅度较(jiao)(jiao)低，一(yi)(yi)般在(zai)(zai)1%一(yi)(yi)3%之(zhi)间。第(di)二类(lei)(lei)(lei)国(guo)(guo)(guo)(guo)家(jia)(jia)经(jing)(jing)济发(fa)(fa)展潜力大(da)，对铜(tong)(tong)的(de)(de)(de)消(xiao)(xiao)费(fei)(fei)或将(jiang)保持较(jiao)(jiao)快(kuai)的(de)(de)(de)增(zeng)(zeng)(zeng)(zeng)长(zhang)速度。尤其是(shi)(shi)中(zhong)国(guo)(guo)(guo)(guo)、印度、俄(e)罗斯近两(liang)(liang)年对铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)量增(zeng)(zeng)(zeng)(zeng)长(zhang)迅猛，费(fei)(fei)增(zeng)(zeng)(zeng)(zeng)幅在(zai)(zai)6%一(yi)(yi)10%以上。预计近期世(shi)界铜(tong)(tong)消(xiao)(xiao)费(fei)(fei)的(de)(de)(de)增(zeng)(zeng)(zeng)(zeng)势可能(neng)略(lve)有减缓，但(dan)国(guo)(guo)(guo)(guo)际市场的(de)(de)(de)长(zhang)期增(zeng)(zeng)(zeng)(zeng)长(zhang)态(tai)势不会改变。温州(zhou)巨盈铜(tong)(tong)业有限公司是(shi)(shi)一(yi)(yi)家(jia)(jia)专业提供锡青铜(tong)(tong)带(dai)的(de)(de)(de)公司，欢迎您的(de)(de)(de)来(lai)电！河(he)南(nan)黄(huang)铜(tong)(tong)带(dai)价(jia)位

目前，我(wo)国(guo)(guo)有(you)色金属产(chan)(chan)业链比较(jiao)完整且规模(mo)庞(pang)大(da)，考虑到我(wo)国(guo)(guo)建(jian)立(li)的(de)(de)(de)(de)比较(jiao)完整的(de)(de)(de)(de)工(gong)业体系还有(you)进一(yi)步升(sheng)级转(zhuan)型空(kong)间，同(tong)时，我(wo)国(guo)(guo)人(ren)口基数巨大(da)、区(qu)域(yu)发展(zhan)不平衡，要真正完成新(xin)型工(gong)业化、电气化和城镇化还有(you)较(jiao)大(da)升(sheng)级潜(qian)力(li)。梳理全球铜(tong)(tong)产(chan)(chan)业近(jin)(jin)10年来的(de)(de)(de)(de)数据，占全球世界精(jing)炼(lian)铜(tong)(tong)消(xiao)费(fei)(fei)近(jin)(jin)90%的(de)(de)(de)(de)15个国(guo)(guo)家或地(di)区(qu)，已有(you)11个在2010年前就出现了(le)消(xiao)费(fei)(fei)“峰值(zhi)”，只有(you)中(zhong)(zhong)国(guo)(guo)、巴西、土(tu)耳其、西班牙正处在峰值(zhi)逐步形成过(guo)程(cheng)中(zhong)(zhong)。过(guo)去10年，中(zhong)(zhong)国(guo)(guo)平均单(dan)位GDP消(xiao)费(fei)(fei)强度是(shi)(shi)世界的(de)(de)(de)(de)3~4倍左(zuo)右，虽然我(wo)国(guo)(guo)单(dan)位GDP精(jing)炼(lian)铜(tong)(tong)消(xiao)费(fei)(fei)强度已提前进入下降区(qu)域(yu)，但是(shi)(shi)我(wo)国(guo)(guo)人(ren)均铜(tong)(tong)消(xiao)费(fei)(fei)尚未出现拐点且仍具潜(qian)力(li)。2019—2022年，中(zhong)(zhong)国(guo)(guo)的(de)(de)(de)(de)铜(tong)(tong)消(xiao)费(fei)(fei)量处于不断上(shang)升(sheng)但增速(su)变缓的(de)(de)(de)(de)阶段，三个因(yin)素推动中(zhong)(zhong)国(guo)(guo)铜(tong)(tong)需求潜(qian)力(li)：一(yi)是(shi)(shi)房(fang)地(di)产(chan)(chan)为主的(de)(de)(de)(de)建(jian)筑、基建(jian)等固(gu)定资产(chan)(chan)投资，二是(shi)(shi)5G与新(xin)能源领域(yu)发展(zhan)对铜(tong)(tong)消(xiao)费(fei)(fei)提升(sheng)的(de)(de)(de)(de)促进，三是(shi)(shi)全社会电气化对铜(tong)(tong)消(xiao)费(fei)(fei)的(de)(de)(de)(de)提升(sheng)。山东C2680铜(tong)(tong)带(dai)是(shi)(shi)什么温(wen)州巨盈铜(tong)(tong)业有(you)限公司(si)致力(li)于提供紫铜(tong)(tong)带(dai)，欢迎您的(de)(de)(de)(de)来电哦！

黄(huang)(huang)铜(tong)(tong)(tong)，普通(tong)黄(huang)(huang)铜(tong)(tong)(tong)：它(ta)是(shi)由铜(tong)(tong)(tong)和锌(xin)(xin)(xin)组成(cheng)的(de)(de)合(he)金(jin)。当含(han)(han)锌(xin)(xin)(xin)量(liang)(liang)小(xiao)于(yu)39%时，锌(xin)(xin)(xin)能(neng)溶于(yu)铜(tong)(tong)(tong)内形成(cheng)单(dan)相(xiang)(xiang)a，称(cheng)(cheng)单(dan)相(xiang)(xiang)黄(huang)(huang)铜(tong)(tong)(tong)，塑(su)性好，适于(yu)冷(leng)热加(jia)(jia)(jia)(jia)压加(jia)(jia)(jia)(jia)工(gong)(gong)。当含(han)(han)锌(xin)(xin)(xin)量(liang)(liang)大(da)于(yu)39%时，有(you)(you)a单(dan)相(xiang)(xiang)还(hai)有(you)(you)以铜(tong)(tong)(tong)锌(xin)(xin)(xin)为(wei)基的(de)(de)b固(gu)溶体，称(cheng)(cheng)双相(xiang)(xiang)黄(huang)(huang)铜(tong)(tong)(tong)，b使塑(su)性小(xiao)而抗拉强(qiang)(qiang)度(du)上升(sheng)，只适于(yu)热压力加(jia)(jia)(jia)(jia)工(gong)(gong)。若继续增(zeng)加(jia)(jia)(jia)(jia)锌(xin)(xin)(xin)的(de)(de)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)，则抗拉强(qiang)(qiang)度(du)下(xia)降，无使用价值(zhi)。代(dai)(dai)号用“H+数(shu)(shu)字”表(biao)(biao)示(shi)(shi)(shi)，H表(biao)(biao)示(shi)(shi)(shi)黄(huang)(huang)铜(tong)(tong)(tong)，数(shu)(shu)字表(biao)(biao)示(shi)(shi)(shi)铜(tong)(tong)(tong)的(de)(de)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)。如(ru)H68表(biao)(biao)示(shi)(shi)(shi)含(han)(han)铜(tong)(tong)(tong)量(liang)(liang)为(wei)68%，含(han)(han)锌(xin)(xin)(xin)量(liang)(liang)为(wei)32%，的(de)(de)黄(huang)(huang)铜(tong)(tong)(tong)，铸造黄(huang)(huang)铜(tong)(tong)(tong)则在代(dai)(dai)号前“Z”字，如(ru)ZH62如(ru)Zcuzn38表(biao)(biao)示(shi)(shi)(shi)含(han)(han)锌(xin)(xin)(xin)量(liang)(liang)为(wei)38%，余量(liang)(liang)为(wei)铜(tong)(tong)(tong)的(de)(de)铸造黄(huang)(huang)铜(tong)(tong)(tong)。H90、H80单(dan)相(xiang)(xiang)，金(jin)黄(huang)(huang)色(se)，故有(you)(you)金(jin)色(se)共称(cheng)(cheng)之，称(cheng)(cheng)为(wei)镀层，装饰品，奖章等。H68、H59属于(yu)双相(xiang)(xiang)黄(huang)(huang)铜(tong)(tong)(tong)，用于(yu)电器(qi)上的(de)(de)结(jie)构件，如(ru)螺栓，螺母，垫圈、弹簧(huang)等。一般情(qing)况下(xia)，冷(leng)变形加(jia)(jia)(jia)(jia)工(gong)(gong)用单(dan)相(xiang)(xiang)黄(huang)(huang)铜(tong)(tong)(tong)热变形加(jia)(jia)(jia)(jia)工(gong)(gong)用双相(xiang)(xiang)黄(huang)(huang)铜(tong)(tong)(tong)。特殊黄(huang)(huang)铜(tong)(tong)(tong)：在普通(tong)黄(huang)(huang)铜(tong)(tong)(tong)中(zhong)加(jia)(jia)(jia)(jia)入(ru)其它(ta)合(he)金(jin)元(yuan)素(su)所组成(cheng)的(de)(de)多(duo)元(yuan)合(he)金(jin)称(cheng)(cheng)为(wei)黄(huang)(huang)铜(tong)(tong)(tong)。常加(jia)(jia)(jia)(jia)入(ru)的(de)(de)元(yuan)素(su)有(you)(you)铅、锡(xi)、铝(lv)等，相(xiang)(xiang)应地可称(cheng)(cheng)为(wei)铅黄(huang)(huang)铜(tong)(tong)(tong)、锡(xi)黄(huang)(huang)铜(tong)(tong)(tong)、铝(lv)黄(huang)(huang)铜(tong)(tong)(tong)。加(jia)(jia)(jia)(jia)合(he)金(jin)元(yuan)素(su)的(de)(de)目(mu)的(de)(de)。主(zhu)(zhu)要是(shi)提高抗拉强(qiang)(qiang)度(du)改善工(gong)(gong)艺性。代(dai)(dai)号：为(wei)“H+主(zhu)(zhu)加(jia)(jia)(jia)(jia)元(yuan)素(su)符(fu)号（除锌(xin)(xin)(xin)外）+铜(tong)(tong)(tong)的(de)(de)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)+主(zhu)(zhu)加(jia)(jia)(jia)(jia)元(yuan)素(su)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)+其它(ta)元(yuan)素(su)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)”表(biao)(biao)示(shi)(shi)(shi)。如(ru)HPb59-1表(biao)(biao)示(shi)(shi)(shi)铜(tong)(tong)(tong)的(de)(de)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)为(wei)59%，含(han)(han)主(zhu)(zhu)加(jia)(jia)(jia)(jia)元(yuan)素(su)铅的(de)(de)质(zhi)量(liang)(liang)分(fen)(fen)数(shu)(shu)为(wei)1%，余量(liang)(liang)为(wei)锌(xin)(xin)(xin)的(de)(de)铅黄(huang)(huang)铜(tong)(tong)(tong)。

普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)特(te)性(xing)(xing)及(ji)用(yong)途(tu):(1)H59黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)特(te)性(xing)(xing):H59为价(jia)格(ge)便宜的(de)(de)(de)(de)黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong),强度(du)、硬度(du)高而塑性(xing)(xing)良好(hao),但在(zai)热(re)态下仍(reng)能(neng)很(hen)好(hao)地(di)承受(shou)压力(li)(li)加工,耐蚀(shi)性(xing)(xing)一(yi)般,其(qi)(qi)他性(xing)(xing)能(neng)和(he)(he)H62相(xiang)近(jin)。H59黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)用(yong)途(tu):H59黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)可做各种深拉深和(he)(he)弯折(zhe)制(zhi)造(zao)(zao)的(de)(de)(de)(de)受(shou)力(li)(li)零(ling)(ling)件,如销钉(ding)、铆钉(ding)、垫圈、螺母(mu)、导管、气(qi)压表弹(dan)簧、筛网、散热(re)器零(ling)(ling)件等(deng)。(2)H62黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)简介:H62黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)表示(shi)平(ping)均(jun)含(han)铜(tong)(tong)(tong)(tong)量为62%的(de)(de)(de)(de)普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong),在(zai)普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)的(de)(de)(de)(de)基础上加入其(qi)(qi)它元素(su)的(de)(de)(de)(de)铜(tong)(tong)(tong)(tong)合金称特(te)殊黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong),仍(reng)以(yi)"H"表示(shi),后面(mian)会跟(gen)其(qi)(qi)它添加元素(su)的(de)(de)(de)(de)化学符号和(he)(he)平(ping)均(jun)成(cheng)份,如H62为含(han)铜(tong)(tong)(tong)(tong)量为。黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)分为普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong),特(te)殊黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)及(ji)铸造(zao)(zao)黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)三种,铸造(zao)(zao)黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)以(yi)ZCu开头后面(mian)跟(gen)其(qi)(qi)它元素(su)的(de)(de)(de)(de)符号及(ji)其(qi)(qi)平(ping)均(jun)含(han)量。H62黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)特(te)性(xing)(xing):普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong),有(you)良好(hao)的(de)(de)(de)(de)力(li)(li)学性(xing)(xing)能(neng),热(re)态下塑性(xing)(xing)好(hao),冷态下塑性(xing)(xing)也(ye)可以(yi),切削性(xing)(xing)好(hao),易钎焊和(he)(he)焊接,耐蚀(shi),但易产(chan)生腐蚀(shi)破裂。此外价(jia)格(ge)便宜,是(shi)应用(yong)普(pu)(pu)遍的(de)(de)(de)(de)一(yi)个普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)品种。H62(即四六黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong))。在(zai)室温(wen)下β相(xiang)较(jiao)(jiao)α相(xiang)硬得多,因而可用(yong)于承受(shou)较(jiao)(jiao)大载荷的(de)(de)(de)(de)零(ling)(ling)件。α+β两(liang)相(xiang)黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)可在(zai)600℃以(yi)上进行热(re)加工。α+β两(liang)相(xiang)黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)显微组织(zhi):α为亮(liang)白色的(de)(de)(de)(de)固溶体(ti),β是(shi)CuZn为基的(de)(de)(de)(de)有(you)序(xu)固溶体(ti)。H62黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)用(yong)途(tu):可做各种深拉伸和(he)(he)弯折(zhe)制(zhi)造(zao)(zao)的(de)(de)(de)(de)受(shou)力(li)(li)零(ling)(ling)件,如销钉(ding)、铆钉(ding)、垫圈、螺母(mu)、导管、气(qi)压表弹(dan)簧、筛网、散热(re)器零(ling)(ling)件等(deng)。(3)H65黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)特(te)性(xing)(xing):H65普(pu)(pu)通黄(huang)(huang)(huang)(huang)铜(tong)(tong)(tong)(tong)。紫铜(tong)(tong)(tong)(tong)带(dai)，就选温(wen)州巨盈铜(tong)(tong)(tong)(tong)业有(you)限公司，让您(nin)满意，欢迎您(nin)的(de)(de)(de)(de)来(lai)电！

黄铜(tong)(tong)带(dai)化学(xue)成分：铜(tong)(tong)Cu：68.5～71.5锌Zn：余(yu)量铅Pb：≤0.03硼P：≤0.01铁Fe：≤0.10锑(ti)Sb：≤0.005铋Bi：≤0.002注：≤0.3(杂质)力(li)学(xue)性(xing)(xing)能(neng)：抗(kang)拉(la)强度(du)(du)σb(MPa)：340～460伸(shen)长率δ10(%)：≥25硬度(du)(du)：85～145HV注：带(dai)材的(de)室温拉(la)伸(shen)力(li)学(xue)性(xing)(xing)能(neng)试(shi)样(yang)尺寸：厚度(du)(du)≥0.3热(re)处理规范：热(re)加(jia)工温度(du)(du)750～830℃;退火温度(du)(du)520～650℃;消除(chu)内应力(li)的(de)低温退火温度(du)(du)260～270℃。环保黄铜(tong)(tong)C26000C2600塑性(xing)(xing)优良，强度(du)(du)较高(gao)，切削(xue)加(jia)工性(xing)(xing)好，焊(han)接(jie)，耐(nai)蚀性(xing)(xing)好，热(re)交换器，造纸(zhi)用管，机械，电子零件。规格（mm）：规格：厚度(du)(du)：0.01-2.0mm，宽度(du)(du)：2-600mm硬度(du)(du)：O、1/2H、3/4H、H、EH、SH等。适(shi)用标准：GB、JISH、DIN、ASTM、EN特(te)长：优良切削(xue)性(xing)(xing)能(neng)适(shi)用于自动车床(chuang)(chuang)数控车床(chuang)(chuang)加(jia)工的(de)高(gao)精度(du)(du)零部件。温州巨盈铜(tong)(tong)业有限公司致力(li)于提(ti)供紫铜(tong)(tong)带(dai)，有需要可以联系我司哦！上海磷铜(tong)(tong)带(dai)定(ding)制

温州巨盈铜(tong)业有(you)限公司致(zhi)力于提(ti)供紫铜(tong)带，有(you)需求可以(yi)来(lai)电咨询(xun)！河南(nan)黄铜(tong)带价位

历(li)史：人(ren)(ren)(ren)(ren)(ren)类(lei)应(ying)用(yong)(yong)铜(tong)己有(you)数千年的(de)(de)(de)历(li)史，墓葬考(kao)古(gu)发(fa)现，早(zao)在6000年前的(de)(de)(de)史前时期，埃(ai)及人(ren)(ren)(ren)(ren)(ren)就使用(yong)(yong)铜(tong)器，铜(tong)是人(ren)(ren)(ren)(ren)(ren)类(lei)祖(zu)先很(hen)早(zao)应(ying)用(yong)(yong)的(de)(de)(de)金(jin)属(shu)。它具有(you)许(xu)多优异的(de)(de)(de)特(te)(te)性和奇妙的(de)(de)(de)功(gong)能，不但为(wei)(wei)(wei)人(ren)(ren)(ren)(ren)(ren)类(lei)社(she)会的(de)(de)(de)进步(bu)作出了(le)不可(ke)磨灭的(de)(de)(de)贡献(xian)；而且(qie)随着人(ren)(ren)(ren)(ren)(ren)类(lei)文明的(de)(de)(de)发(fa)展(zhan)(zhan)不断开发(fa)出新(xin)的(de)(de)(de)用(yong)(yong)途。铜(tong)既是一(yi)个(ge)古(gu)老(lao)的(de)(de)(de)金(jin)属(shu)，又是一(yi)个(ge)充满(man)生机和活(huo)力的(de)(de)(de)现代工程材料。当前人(ren)(ren)(ren)(ren)(ren)类(lei)步(bu)入(ru)了(le)丰富多彩的(de)(de)(de)，以电气(qi)化(hua)和电子信息为(wei)(wei)(wei)特(te)(te)征的(de)(de)(de)，高度文明的(de)(de)(de)社(she)会，为(wei)(wei)(wei)铜(tong)的(de)(de)(de)应(ying)用(yong)(yong)开辟(pi)了(le)更为(wei)(wei)(wei)广阔的(de)(de)(de)大地。铜(tong)以品(pin)种繁多的(de)(de)(de)金(jin)属(shu)、合(he)金(jin)和化(hua)合(he)物的(de)(de)(de)形式(shi)被人(ren)(ren)(ren)(ren)(ren)们利用(yong)(yong)，业已(yi)深深地渗入(ru)了(le)生产和生活(huo)的(de)(de)(de)各(ge)个(ge)方(fang)面，成为(wei)(wei)(wei)人(ren)(ren)(ren)(ren)(ren)类(lei)跨入(ru)、21世纪取得飞速发(fa)展(zhan)(zhan)的(de)(de)(de)一(yi)个(ge)不可(ke)缺(que)少的(de)(de)(de)重(zhong)要金(jin)属(shu)。河(he)南黄铜(tong)带价位

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