低(di)(di)速(su)(su)(su)(su)大(da)转矩(ju)永磁直(zhi)(zhi)驱(qu)电机(ji)(ji)(ji)(ji)在(zai)(zai)(zai)索(suo)道(dao)上的(de)(de)应用(yong)：传统(tong)客运索(suo)道(dao)驱(qu)动(dong)系(xi)统(tong)一般(ban)采(cai)用(yong)电机(ji)(ji)(ji)(ji)加减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)的(de)(de)驱(qu)动(dong)模式，减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)作为动(dong)力(li)(li)传达(da)机(ji)(ji)(ji)(ji)构，可(ke)以降(jiang)(jiang)低(di)(di)输出(chu)轴(zhou)的(de)(de)旋转速(su)(su)(su)(su)度(du)，同时将电机(ji)(ji)(ji)(ji)的(de)(de)转矩(ju)成比例地(di)放(fang)大(da)到减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)的(de)(de)输出(chu)轴(zhou)[1]，再通过与减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)输出(chu)轴(zhou)相(xiang)啮合的(de)(de)驱(qu)动(dong)轮将动(dong)力(li)(li)传递(di)至运载索(suo)，从而使索(suo)道(dao)的(de)(de)运行速(su)(su)(su)(su)度(du)符合设(she)(she)计要(yao)求。但减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)在(zai)(zai)(zai)使用(yong)过程中(zhong)，存(cun)在(zai)(zai)(zai)漏(lou)油(you)、振(zhen)动(dong)、过热和(he)噪声大(da)等缺点，会(hui)降(jiang)(jiang)低(di)(di)设(she)(she)备的(de)(de)连(lian)续运转能(neng)力(li)(li)与可(ke)靠(kao)性。由(you)于减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)存(cun)在(zai)(zai)(zai)机(ji)(ji)(ji)(ji)械效率损(sun)失，使得系(xi)统(tong)对(dui)电能(neng)的(de)(de)利用(yong)率降(jiang)(jiang)低(di)(di)。在(zai)(zai)(zai)索(suo)道(dao)的(de)(de)维护工作中(zhong)，减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)维护一直(zhi)(zhi)是(shi)重要(yao)部分。减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)润(run)滑(hua)油(you)泄漏(lou)或污染、轴(zhou)承(cheng)及齿轮等零部件的(de)(de)损(sun)坏均可(ke)能(neng)导致减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)无(wu)法正常工作，造成安全隐患(huan)。在(zai)(zai)(zai)高温环境(jing)下工作的(de)(de)减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)应设(she)(she)置循环式冷却系(xi)统(tong)，在(zai)(zai)(zai)低(di)(di)温地(di)区工作的(de)(de)减(jian)速(su)(su)(su)(su)器(qi)(qi)(qi)(qi)还应设(she)(she)有防冻措施。近年来，直(zhi)(zhi)接(jie)驱(qu)动(dong)系(xi)统(tong)在(zai)(zai)(zai)国际索(suo)道(dao)公司产品上被采(cai)用(yong)，saintnung三能(neng)电机(ji)(ji)(ji)(ji)致力(li)(li)于提供(gong)专业的(de)(de)低(di)(di)速(su)(su)(su)(su)大(da)扭矩(ju)电机(ji)(ji)(ji)(ji)，有想法可(ke)以来我司咨询！镇江提升机(ji)(ji)(ji)(ji)低(di)(di)速(su)(su)(su)(su)直(zhi)(zhi)驱(qu)大(da)扭矩(ju)电机(ji)(ji)(ji)(ji)厂家直(zhi)(zhi)供(gong)

永磁(ci)(ci)同(tong)步(bu)(bu)(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)转(zhuan)(zhuan)子采(cai)用永磁(ci)(ci)体取代传统电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)绕线式(shi)转(zhuan)(zhuan)子，从(cong)而避(bi)免(mian)了(le)电(dian)(dian)(dian)(dian)(dian)阻(zu)损耗和(he)(he)(he)电(dian)(dian)(dian)(dian)(dian)流(liu)谐波的(de)(de)(de)(de)问题。这(zhei)使得(de)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)在低(di)速时能够(gou)产(chan)生更大(da)的(de)(de)(de)(de)扭矩(ju)(ju)。在永磁(ci)(ci)同(tong)步(bu)(bu)(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)中(zhong)，永磁(ci)(ci)体产(chan)生的(de)(de)(de)(de)磁(ci)(ci)场(chang)与定(ding)(ding)子电(dian)(dian)(dian)(dian)(dian)流(liu)产(chan)生的(de)(de)(de)(de)磁(ci)(ci)场(chang)相(xiang)互(hu)作(zuo)用，产(chan)生转(zhuan)(zhuan)矩(ju)(ju)。由于永磁(ci)(ci)同(tong)步(bu)(bu)(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)转(zhuan)(zhuan)子结构简单，没(mei)有绕线式(shi)转(zhuan)(zhuan)子的(de)(de)(de)(de)铜损和(he)(he)(he)铁损，因(yin)此其效(xiao)率更高，尤(you)其是(shi)在低(di)速时，能够(gou)产(chan)生更大(da)的(de)(de)(de)(de)扭矩(ju)(ju)。永磁(ci)(ci)同(tong)步(bu)(bu)(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)定(ding)(ding)子电(dian)(dian)(dian)(dian)(dian)流(liu)和(he)(he)(he)转(zhuan)(zhuan)子位置之间(jian)存在强烈的(de)(de)(de)(de)耦合关(guan)系，这(zhei)使得(de)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)控制(zhi)(zhi)更为精确和(he)(he)(he)稳定(ding)(ding)。通(tong)过控制(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)相(xiang)位和(he)(he)(he)大(da)小，可以(yi)精确地控制(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)(de)转(zhuan)(zhuan)速和(he)(he)(he)转(zhuan)(zhuan)矩(ju)(ju)，从(cong)而实现(xian)低(di)速大(da)扭矩(ju)(ju)输出烟台永磁(ci)(ci)节能电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)定(ding)(ding)制(zhi)(zhi)低(di)速大(da)扭矩(ju)(ju)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)，就(jiu)选(xuan)(xuan)saintnung三能电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)，用户的(de)(de)(de)(de)信赖之选(xuan)(xuan)，欢迎您(nin)的(de)(de)(de)(de)来(lai)电(dian)(dian)(dian)(dian)(dian)哦！

公司生产(chan)的(de)(de)(de)永磁(ci)直驱(qu)低(di)速大扭矩电(dian)机(ji)(ji)(ji)(ji)直接驱(qu)动负载，无(wu)需减速机(ji)(ji)(ji)(ji)，可以大幅度降(jiang)低(di)驱(qu)动系统(tong)能(neng)(neng)耗；提(ti)高机(ji)(ji)(ji)(ji)械装备的(de)(de)(de)可靠性，能(neng)(neng)有效的(de)(de)(de)解决传统(tong)电(dian)机(ji)(ji)(ji)(ji)的(de)(de)(de)问(wen)题，节(jie)能(neng)(neng)率(lv)达15-30%，同时降(jiang)低(di)劳(lao)动强(qiang)度和人力资(zi)源成本；具有良(liang)好(hao)的(de)(de)(de)社会效益和经济效益。产(chan)品应用非(fei)常广，像陶瓷行(xing)业(ye)球磨(mo)机(ji)(ji)(ji)(ji)，煤矿行(xing)业(ye)的(de)(de)(de)输(shu)送带、运输(shu)机(ji)(ji)(ji)(ji)、提(ti)升(sheng)机(ji)(ji)(ji)(ji)、球磨(mo)机(ji)(ji)(ji)(ji)、自动装料机(ji)(ji)(ji)(ji)；化工(gong)化肥(fei)行(xing)业(ye)的(de)(de)(de)搅拌(ban)机(ji)(ji)(ji)(ji)、浮选(xuan)机(ji)(ji)(ji)(ji)、球磨(mo)机(ji)(ji)(ji)(ji)、输(shu)送机(ji)(ji)(ji)(ji)；造纸行(xing)业(ye)的(de)(de)(de)磨(mo)浆机(ji)(ji)(ji)(ji)、离心机(ji)(ji)(ji)(ji)；发(fa)电(dian)厂的(de)(de)(de)球磨(mo)机(ji)(ji)(ji)(ji)、立(li)磨(mo)机(ji)(ji)(ji)(ji)、卧磨(mo)机(ji)(ji)(ji)(ji)、冷却(que)风机(ji)(ji)(ji)(ji)；水泥行(xing)业(ye)的(de)(de)(de)球磨(mo)机(ji)(ji)(ji)(ji)、选(xuan)粉机(ji)(ji)(ji)(ji)、斗提(ti)机(ji)(ji)(ji)(ji)、皮带输(shu)送机(ji)(ji)(ji)(ji)；炼胶行(xing)业(ye)的(de)(de)(de)炼胶机(ji)(ji)(ji)(ji)、密炼机(ji)(ji)(ji)(ji)。

磁(ci)(ci)(ci)同(tong)(tong)步(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)特(te)点是它(ta)的(de)(de)(de)定子(zi)(zi)结(jie)(jie)构(gou)(gou)与(yu)(yu)普(pu)通的(de)(de)(de)感应(ying)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)的(de)(de)(de)结(jie)(jie)构(gou)(gou)非常相(xiang)似，主要(yao)是区别(bie)于(yu)(yu)(yu)转(zhuan)(zhuan)子(zi)(zi)的(de)(de)(de)独特(te)结(jie)(jie)构(gou)(gou)与(yu)(yu)其(qi)他电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)形(xing)成(cheng)了差别(bie)。永(yong)(yong)磁(ci)(ci)(ci)同(tong)(tong)步(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)结(jie)(jie)构(gou)(gou)构(gou)(gou)成(cheng)由(you)定子(zi)(zi)、转(zhuan)(zhuan)子(zi)(zi)和端盖等各部件(jian)构(gou)(gou)成(cheng)定子(zi)(zi)：由(you)叠(die)(die)(die)片叠(die)(die)(die)压而成(cheng)以(yi)减少电(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)机(ji)(ji)(ji)(ji)运行时产(chan)生(sheng)的(de)(de)(de)铁耗，其(qi)中(zhong)装(zhuang)有(you)三相(xiang)交流(liu)绕(rao)组，称作(zuo)电(dian)(dian)(dian)(dian)(dian)枢。转(zhuan)(zhuan)子(zi)(zi)：转(zhuan)(zhuan)子(zi)(zi)可(ke)(ke)以(yi)制成(cheng)实(shi)心的(de)(de)(de)形(xing)式(shi)(shi)(shi)，也(ye)可(ke)(ke)以(yi)由(you)叠(die)(die)(die)片压制而成(cheng)，其(qi)上(shang)装(zhuang)有(you)永(yong)(yong)磁(ci)(ci)(ci)体材(cai)料。根据电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)转(zhuan)(zhuan)子(zi)(zi)上(shang)永(yong)(yong)磁(ci)(ci)(ci)材(cai)料所处位置(zhi)(zhi)的(de)(de)(de)不(bu)同(tong)(tong)，永(yong)(yong)磁(ci)(ci)(ci)同(tong)(tong)步(bu)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)可(ke)(ke)以(yi)分为突(tu)出(chu)(chu)式(shi)(shi)(shi)与(yu)(yu)内(nei)置(zhi)(zhi)式(shi)(shi)(shi)两(liang)种(zhong)结(jie)(jie)构(gou)(gou)形(xing)式(shi)(shi)(shi)，图(tu)(tu)1给(ji)出(chu)(chu)相(xiang)应(ying)的(de)(de)(de)示意图(tu)(tu)。突(tu)出(chu)(chu)式(shi)(shi)(shi)转(zhuan)(zhuan)子(zi)(zi)的(de)(de)(de)磁(ci)(ci)(ci)路结(jie)(jie)构(gou)(gou)简单，制造成(cheng)本(ben)低(di)，但由(you)于(yu)(yu)(yu)其(qi)表面无(wu)法安(an)装(zhuang)启动(dong)(dong)(dong)绕(rao)组，不(bu)能(neng)实(shi)现异步(bu)起动(dong)(dong)(dong)。内(nei)置(zhi)(zhi)式(shi)(shi)(shi)转(zhuan)(zhuan)子(zi)(zi)的(de)(de)(de)磁(ci)(ci)(ci)路结(jie)(jie)构(gou)(gou)主要(yao)有(you)径(jing)向式(shi)(shi)(shi)、切向式(shi)(shi)(shi)和混合式(shi)(shi)(shi)3种(zhong)，它(ta)们之间的(de)(de)(de)区别(bie)主要(yao)在于(yu)(yu)(yu)永(yong)(yong)磁(ci)(ci)(ci)体磁(ci)(ci)(ci)化方向与(yu)(yu)转(zhuan)(zhuan)子(zi)(zi)旋转(zhuan)(zhuan)方向关系(xi)的(de)(de)(de)不(bu)同(tong)(tong)。图(tu)(tu)2给(ji)出(chu)(chu)3种(zhong)不(bu)同(tong)(tong)形(xing)式(shi)(shi)(shi)的(de)(de)(de)内(nei)置(zhi)(zhi)式(shi)(shi)(shi)转(zhuan)(zhuan)子(zi)(zi)的(de)(de)(de)磁(ci)(ci)(ci)路结(jie)(jie)构(gou)(gou)。由(you)于(yu)(yu)(yu)永(yong)(yong)磁(ci)(ci)(ci)体置(zhi)(zhi)于(yu)(yu)(yu)转(zhuan)(zhuan)子(zi)(zi)内(nei)部，转(zhuan)(zhuan)子(zi)(zi)表面便可(ke)(ke)制成(cheng)极(ji)(ji)靴(xue)(xue)，极(ji)(ji)靴(xue)(xue)内(nei)置(zhi)(zhi)入铜条或铸铝(lv)等便可(ke)(ke)起到启动(dong)(dong)(dong)和阻尼的(de)(de)(de)作(zuo)用，稳态(tai)和动(dong)(dong)(dong)态(tai)性(xing)能(neng)都较(jiao)好。又由(you)于(yu)(yu)(yu)内(nei)置(zhi)(zhi)式(shi)(shi)(shi)转(zhuan)(zhuan)子(zi)(zi)磁(ci)(ci)(ci)路不(bu)对称，这样就(jiu)会在运行中(zhong)产(chan)生(sheng)磁(ci)(ci)(ci)阻转(zhuan)(zhuan)矩，有(you)助于(yu)(yu)(yu)提高电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)本(ben)身的(de)(de)(de)功(gong)率密度和过(guo)载能(neng)力(li)，而且(qie)这样的(de)(de)(de)结(jie)(jie)构(gou)(gou)更易于(yu)(yu)(yu)实(shi)现弱磁(ci)(ci)(ci)扩速(su)saintnung三能(neng)电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)致力(li)于(yu)(yu)(yu)提供(gong)专(zhuan)业(ye)的(de)(de)(de)低(di)速(su)大扭矩电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)，有(you)需求(qiu)可(ke)(ke)以(yi)来电(dian)(dian)(dian)(dian)(dian)咨询！

永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)一种高效、低(di)噪(zao)音、可靠(kao)性(xing)强的(de)(de)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)，它广泛应用(yong)(yong)于(yu)(yu)(yu)各(ge)种电(dian)(dian)(dian)(dian)动(dong)装置中(zhong)(zhong)。在(zai)永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)，永(yong)(yong)磁(ci)(ci)体直(zhi)接用(yong)(yong)于(yu)(yu)(yu)转子，消除了(le)传(chuan)(chuan)统电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)齿轮(lun)传(chuan)(chuan)动(dong)带来的(de)(de)能(neng)(neng)(neng)量损耗和(he)噪(zao)音，同时具有(you)(you)高效率和(he)高动(dong)态响应特性(xing)。永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)工作原理是(shi)利用(yong)(yong)永(yong)(yong)磁(ci)(ci)体产生的(de)(de)磁(ci)(ci)场与电(dian)(dian)(dian)(dian)流作用(yong)(yong)于(yu)(yu)(yu)转子上(shang)，从而实现电(dian)(dian)(dian)(dian)能(neng)(neng)(neng)转换为机(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)能(neng)(neng)(neng)。与传(chuan)(chuan)统交流电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)相比(bi)，永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)拥(yong)有(you)(you)更高的(de)(de)功率密度和(he)效率，可以减少能(neng)(neng)(neng)源浪费并降低(di)运行成(cheng)本(ben)。永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)广泛应用(yong)(yong)于(yu)(yu)(yu)各(ge)种领域(yu)，如汽(qi)车(che)、机(ji)(ji)(ji)(ji)(ji)(ji)(ji)器人、医疗设(she)(she)备、印刷机(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)、高速(su)列车(che)等。它具有(you)(you)自启(qi)动(dong)、低(di)振动(dong)、低(di)噪(zao)音、高精(jing)度以及易(yi)于(yu)(yu)(yu)控(kong)制(zhi)(zhi)等优势(shi)，在(zai)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)制(zhi)(zhi)造、自动(dong)化控(kong)制(zhi)(zhi)和(he)新能(neng)(neng)(neng)源等领域(yu)有(you)(you)着(zhe)广阔的(de)(de)应用(yong)(yong)前景。在(zai)未来，随着(zhe)技(ji)术的(de)(de)不断发展和(he)改进(jin)(jin)，永(yong)(yong)磁(ci)(ci)直(zhi)驱(qu)(qu)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)将(jiang)进(jin)(jin)一步提高效率、降低(di)成(cheng)本(ben)、增强可靠(kao)性(xing)，成(cheng)为电(dian)(dian)(dian)(dian)动(dong)化领域(yu)中(zhong)(zhong)的(de)(de)重要基(ji)础设(she)(she)施之一低(di)速(su)大扭(niu)矩电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)，就选saintnung三能(neng)(neng)(neng)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)，用(yong)(yong)户的(de)(de)信赖(lai)之选，有(you)(you)需要可以联系我(wo)司哦！深圳三能(neng)(neng)(neng)saintnung电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)(ji)(ji)推荐品(pin)牌

输送机(ji)(ji)(ji)低(di)速(su)大(da)扭(niu)矩电(dian)机(ji)(ji)(ji)，推(tui)荐saintnung三能电(dian)机(ji)(ji)(ji)。镇江提升(sheng)机(ji)(ji)(ji)低(di)速(su)直驱大(da)扭(niu)矩电(dian)机(ji)(ji)(ji)厂家直供

永(yong)磁直驱(qu)(qu)电(dian)机(ji)(ji)(ji)(ji)相比于(yu)(yu)传统(tong)(tong)“异步电(dian)机(ji)(ji)(ji)(ji)+减(jian)速箱”驱(qu)(qu)动(dong)(dong)结构，永(yong)磁直驱(qu)(qu)电(dian)机(ji)(ji)(ji)(ji)能够具有输(shu)出(chu)扭矩(ju)大(da)(da)、系统(tong)(tong)效率(lv)高(gao)、动(dong)(dong)态响应(ying)快、抗冲击振动(dong)(dong)强(qiang)等(deng)优点，极大(da)(da)提升(sheng)了系统(tong)(tong)运(yun)(yun)行的(de)可靠(kao)性，能有效降低维护成本，目前(qian)已在皮(pi)带输(shu)送、矿(kuang)(kuang)石破(po)碎、钢铁(tie)冶金等(deng)行业成功应(ying)用，市(shi)场前(qian)景(jing)广阔。此(ci)次下线的(de)永(yong)磁直驱(qu)(qu)电(dian)机(ji)(ji)(ji)(ji)，由中(zhong)车(che)株(zhu)洲电(dian)机(ji)(ji)(ji)(ji)公(gong)司(si)自主研制，主要装载于(yu)(yu)大(da)(da)型矿(kuang)(kuang)用电(dian)铲车(che)提升(sheng)机(ji)(ji)(ji)(ji)上(shang)，用于(yu)(yu)重型铲斗在各种(zhong)恶(e)劣工况下的(de)作业，将(jiang)露天矿(kuang)(kuang)床转移至电(dian)动(dong)(dong)轮(lun)车(che)上(shang)运(yun)(yun)输(shu)出(chu)矿(kuang)(kuang)区。镇江(jiang)提升(sheng)机(ji)(ji)(ji)(ji)低速直驱(qu)(qu)大(da)(da)扭矩(ju)电(dian)机(ji)(ji)(ji)(ji)厂家直供(gong)

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