您好,欢迎来到三六零分类信息网!老站,搜索引擎当天收录,欢迎发信息
免费发信息
三六零分类信息网 > 福州分类信息网,免费分类信息发布

福州图瑞工业自动化设备有限公司 一级代理日本三协SANKYO

2020/12/10 19:33:01发布110次查看
福州图瑞工业自动化设备有限公司长期供应
日本三协sankyo:磨音检测电耳
型号:sld-01
型号:asc-02
福州图瑞工业自动化设备有限公司,联系人:邱先生 电话:0591-83051253 传真:0591-88209321 手机15959154529  qq:3449151196
 球磨机的一个基本特点是长滞后,即喂料流量变化后,需要较长时间从能使出磨物料流量产生变化,并且入磨物料性能如粒度、湿度、易磨性等的变化,使磨机负荷控制变得更加复杂和困难,在上述条件一定的情况下,球磨机都有一个的磨内填充量,如果能将其保持在量,则系统的产量,耗电能***少,节能效果,可以使球磨机工作在状态,防止空磨和饱磨。 为了控制球磨机的产量,必须检测反应磨机负荷的物理量,常用的有三个:磨音有功功率回粉流量其中磨音是***有效的,对磨机负荷反应***快速、***准,使磨机控制的关键参数。
音频接收器(型号:
sld-01)音频接收器(听筒)是用来采集磨机研磨时物料产生的特 殊音频,并将其信号输入音频信号变换器。
扬声器型号:ma-15t
 阻抗:2kω(5w)
 频率:500hz ~ 5khz       
 重量:约3 kg
 传输距离为300m
音频信号变换器 (型号:asc-02)
音频信号变换器是一种将磨机研磨音频的强度转换成模拟信号的装置。它和音频接收器配套使用,也可和其它控制器配套使用,构成自动控制磨机负荷的完整系统。
音频信号变换器
规格
1、输入信号:0 ~ 500 mv
2、输出信号:4 ~ 20 ma  d.c. 
3、报警:上限定位0 ~ 100 % ;下限定位0 ~ 100%,
      输出:两开路集电极输出(晶体管在报警状态时导通)额定值≤30     vd.c. ,≤500  ma      
4、定位:超出±20 % 可调
5、反应速率:由开关rate设定:   
               1:中(时间常数约 3秒)
               0:快(时间常数   0秒)
               2:慢(时间常数约6秒)
系统的特点及效果:
1、检测负荷变动
  检测出空载或超载等异常状态并报警,手动调节原料投入流量。
2、检测异常状态发生检测出磨机贴粘等异常状态的发生,用在原料的紧急停车。
3、提高磨机产量由于原料的粒度,破碎性或温度的变化,而引起原料的流量发生变化,微机则自动控制流量,以达到值,达到增产的目的。
4、降低了电耗增产的同时,保证提升机电流和回粉量等都很稳定,节约了破碎机及破碎系统的电力。
5、 稳定、提高产品质量因为维持适当负荷,所以产品的粉末度变化非常小,同时质量稳定。
6、完全无人操作自动维持投入流量,同时进行各种报警,从而实现无人操作。
磨音测量仪(电耳)是日本sankyo粉粒体研究所根据磨机内壁钢球及物料之间相互碰撞所产生的特殊频率特性而设计制造的。通过检测磨机内部的声音而直观反应磨机空载、超载、贴粘等异常状态,进行自动/手动调节控制原料流量,达到磨机的增产、降耗、提高产品质量的目的。与其它控制仪表(冲板流量计、电流表等)配套可形成磨机负荷控制系统。
福州图瑞工业自动化设备有限公司长期供应
日本三协sankyo:磨音检测电耳
型号:sld-01
型号:asc-02
福州图瑞工业自动化设备有限公司,联系人:邱先生 电话:0591-83051253 传真:0591-88209321 手机15959154529  qq:3449151196
8705nse100c3wokd
3051cd2a22a1ab4m5
8732est1a1n0m4
3051cd2a02a1ah2b1m5
3051l2ae0ac22aam5
1151hp4s22m4b7df
3051cd5a02a1jh2b7k5l4m6t1
3051cd5a02a1jh2s5b7k5l4m6t1p9
3051s1cd1a2e12a1ab4d2m5
3051cd2a22a1as1m5n1
1199wcc10affw71daa1j
3051cg4a22a1js1l4m6t1
1199wpn59drfwfgdca1j
3051s2tg2a2e11a1bb4d1e1m5p1q4q8qs
3051tg4a2b21as5b4i1q4
3051cd3a03a1as5i1q4
3051cd3a22a1bs2b4i1q4q8m5t1
1199ddc66aefw71da20
3051tg3f2b21bi1q8q4m5t1
3144pd1a1e5b5
3051l2aeoad22aam5
3051cd2a22a1as1n1m5
1199wdb10affw71daa1
2051tg3a2c1db4m5i5
2051cd3a22a1am5b4
1151gp7s22m3b1
3051cd2a52a1ab4m5
3051s1tg3a2a11a1ab4k5m5p1q4t1
3051s1cd1a4a11a00a01b4c1d1k5l4m5q4t1
3051cd1a27b1jm6b4dfk5l4
3051cd2a22a1as8b4q4q8/1199dcc63dffwggda002e
2051l2ag0kd21aam5d4
3051cd2a27b1jm6b4dfk5l4
3051tg2a2b21jb4k5m6q4q8
3051tg4a2b21jb4k5m6
3051cd0a02a1am5b3h2l4
3051cg1a22a1ab4m5
3051cd3a27b1jm6b4dfk5l4
3051cd2a22a1jb4e5m6df
3051cg4a22a1jb4i5l4m6
3051l2agoka21aak5m5
3051cg1a22a1bb4i5m5
3051cd4a22b1jb4k5l4m6
3051cg5a22a1jb4i5l4m6
3051tg1a2b21as1/1199wda95kffwjgcc00
3051tg3a2b21jb4m6
3051gp3a2b21ab4m5hr5
3051gp4a2b21ab4m5hr5
3051cd2a22a1bs9
1199mnc05dpfwj0la00
1199wna96sscw70la00
3051ca1a22a1bm5b4df
3051s2cd2a2b12a1jb4k5m5
3051tg5a2b21jb4k5q4q8
2051tg1a2b21bs5b4m5d4q4
2051tg3a2b21bs5b4m5d4q4
2051tg4a2b21bs5b4m5d4q4
2051cd3a22a1bs5m5d4c1q4
2051cd2a22a1bs5m5d4c1q4
3051dg1a62a1ab4m5hr5df
3051dg2a62a1ab4m5hr5df
3051gp2a2b21ab4hr5m5
3051gp4a2b21ab4hr5m5
联系人:邱先生 电话:0591-83051253 传真:0591-88209321  手机15959154529
qq:3449151196
3051tg2a2b21js1i5m5/1199wda95artw30daa54
3051cd3a22a1bm5b4
3051gp3a2b21bb4m5
3051cd2a22a1bm5b4
3051cd2a22a1as2m5b4i5/1199dcd59affwg5da00
3051l4ah0xd11aam5
3051l3ag0xd21aam5
3051cd1a22a1bb4l4m5df
3051cd2a22a1jb4e5m6l4q4
3051gp3a2b21ab4m5q4
3144pd5ae1m5b4f5c4q4c2
3051tg3a2b21bm5
3051l3ab0gd21aae5l5m5
3051cd5a27b1jm6b4dfk5l4
3051cd1a22a2ab4k5m5p2
3051cd2a22b1ab4k5m5t1q4
3051cd4a22b1ab4k5m5t1q4
联系人:邱先生 电话:0591-83051253 传真:0591-88209321  手机15959154529
qq:3449151196
3051tg3a2b21ab4k5m5t1q4
3051ca1a22a1jb4k5l4m6df
3051cd2a22a1ab4m5q4q8a0229s2/1199ddc72artw10daa5
3051l3acotd11abm5f7a3032
3051dp4a22a1bs1m5-1199wdab3kffw9edb00e
3051dp4a23a1bs1m5df-1199wdab3kffwjgdb00
3051cg5a22b1ab4m5
3051tg2a2b21ab4m5
3051cd4a22a1as2b4i1q4hr5
3051cd2a22a1as2m5b4i1q4hr5
3051tg3a2b21ab4m5q4s1hr5
3051cd0a02a1bh2b3l4m5
3051cg4a02a1bh2b3l4m5
3051cd2a02a1bh2b3l4m5
3051cg5a02a1bh2b3l4m5
3051tg1a2b21ab4e5m5s1/1199wdc54kffwggda000
联系人:邱先生 电话:0591-83051253 传真:0591-88209321  手机15959154529
qq:3449151196
3051cd4a22b1jb4k5l4m6s5
3051cd2f22a1ks2i1b4/1199ddb56arfw22daa3gt
3051cd2f02a1ksji1l4m6q4q8t1c1
3051tg2a2b21ab4m5q4
3051tg3a2b21ab4
3051tg1a2b21ab4
3051tg4a2b21bb4e5m5
3051cd0a02bh21jb4k5l4m6
3051tg2a2b21cb4e5m5p1q4q8s5
3051cg4a22a1bb4m515df
3051cd2a22a1bb4m5i5df
3051tg3a2b21bb4i1q4q8m5
3051tg2a2b21bb4i5m5q4s5q8
3051cd2a22a1as2m5b4i1q4/1199ddc59affwg1da00
3051cd3a22a1bb4m5i5df
3051tg4a2b21bb4i5m5q4q8s5
3051cd3a22a1js2b4i5m6/1199dde69affw71da00
3051tg2a2b21jm6
3051cg3a22a1jb4i5l4m6
3051cd2a02a1ab1h2s6
3051s2tg3a2e11a1jd1e5
3051cd0a22b1jb4k5l4m6
3051l2ae0a22aam5
3051cd1a02a1ah2b1df
3051tg3a2b21bb4e5m5
3051cg4a22a1bm5b4
3051ta1a2b21ab4m5q4
2051tg2a2b21bb4m5hr5
2051cd4a22a1bb4m5hr5
2051tg3a2b21bb4m5hr5
2051cg2a22a1ab4m5d4df
2051cd2a22a1ab4m5d4df
2051l2aa0fd21aam5dfq4
3051cd2a02a1eh2i1l4m5q4q8p1
3051tg2f2b21bb4s1i1m5q8(ff)/1199wdc54aefwg1da00
3051cd2f22a1bs0i1q4q8/1199wdab7affw71da00e
3051cg1a22a1bm5b4df
联系人:邱先生 电话:0591-83051253 传真:0591-88209321  手机15959154529
qq:3449151196
0304rt32b10
3051cd4a33a1jb4i5l4m5df
3051cd3a33a1jb4i5l4m5df
2051cd2a22a1bb4d4m5
3051l3ac0fd22ajm6i5dfq4q8
3051l2ah0xd21jae5m6
3051tg4a2b21ae5
3051dp1a22a1am5b4dfhr5
3051tg4a2b31bb4e8m5q4s5
3051tg5a2b21jb4m6q4e5
3051tg1a2b21jb4k5m6
3051l3fg0kd21aam5
3051cg3a22a1as1m5b4l4t1
3051l2aa0fd21aam5dfe5
3051tg4a2b21ai7m5q4
644hae5
2051cd4a22a1kb4e5m6             
2051tg5a2b21jm6p1e1q4q8
2051tg4a2b21jm6p1e1q4q8
3051cd3a22a1am5e5b4df
3051tg4a2b21ae5m5t1
475hp1ena9gmt
475fp1eklugmtas
3051tg3a2b21jb4k5m6q4q8
3051cd1a22b1jb4k5l4m6
3051dg3a62a1ab4k5m5hr5
联系人:邱先生 电话:0591-83051253 传真:0591-88209321  手机15959154529
qq:3449151196
3051tg1a2b21am5b4
3051tg3a2b21ab4m5s5
3051tg3a2b21ab4m5
475fp1eklugmt
3144pd5a2k5b5m5q4
3051gp4a2b21ab4e5
3051tg4a2a21ab4m5
3051cd3a02a1ab3dfhjl8d1p0tr
3051cd1a22a1ab4df
3051cd2a33a1ab4e5m5l4q4
3051s3cd5a2e12a1ab4m5
3051cd1a22a1bb4df
3051cd2a22a1am5kdp2
3051cd3a02a1bm5i1d4s5q4
3051cg4a52a1bc1m5i1q4
3051tg4a2b21bb4k5m5q4q8s5
0306rt22ba11
3051l4ag0kd11aam5
3051cd1a22a1ab4m5
3051cd3a22a1as2m5b4i5/1199dcc59affw75da00c
3051tg2a2b21ab4e5m5s5
3144pd1a1e5b4
3051cd3a22b1jb4k5l4m6
2088g2s22a1s1m5/1199wa95sscw50la00
3051cg2a221cs1q4
8711asa15fr2noq4
8705asa020s1w0n
644hana
644rana
3051cg3a22a1as1/1199wna93sscw50la00
2090fg2s2df1m5b4q4
8705tsa040sew0n0q4
3051tg1a2b21ls1/1199wna95sslsg0la00
065n02n0000n0315xa
065n01n0000n0265xa
3051cd2a22a1cs2m5b4/1199dnb58dffwjgda00
3051s1cd2a5c11a1ae5m5q4
8721asa040uc2na+8732est1a1nam4
2090fg2s2df1m5
8721asa030uc2na+8732est2a1nam4
3051cd3a22a1bs2m5b4
2051cd1a221ad4
3051cd2a22a1kb4m6e5qtt1s2q4q8hr5/1199ddn10gffwg5kb00/5da00/6kb00/6db00
2051cd4a22a1kb4e5m5
2051tg4a2b21jm5p1e1q4q8
2051tg5a2b21jm5p1e1q4q8
3051gp2a2b21ab4
3051tg4a2b31jb4k5m6q4q8
3051cd2a22b1jb4k5l4m6
3051gp3a2b21ab4k5m5
3051cd2a22a1as2m5b4/1199dgc10sscw50la00
3051cd2a33a1jb4i5l4m5df
3051dp3a22a1am5b4dfhr5
3051tg3a2a21ab4m5
3051dp2a22a1ab4m5hr5
3051cd3a02a1jh2b7e5m6df
3051cd3a22a1as2m5b415q4a8047/1199dcd63aefw92db600
3051cd2a22a1am5b4
3051s1cd0a2f12a1abcd2l4m5
8732est1g1nam5+8711sha040uhna
2051tg2f2c21bb4m5
3051tg3a2b21ab4e5m5s1
3051gp2a2c21bb4m5hr5
3051tg2a2c21bb4m5
3051tg2a2b21bb4m5
3051cd3a22a1bb4m5df
3051cd4a22a1ab4m5df
3051tg4a2b21jb4k5m5
3051tg3a2b21jb4k5m5
3051tg2a2b21jb4k5m5
3051cd5a22a1jb4e5
0305rc32b11l4
3051tg5a2b21jb4k5m5q4q8
3051cd2a22a1as2m5b4t1q4/1199ddb10arfw21daa1jh
3051s2cd3a2e11a1jd1e
3051tg3a2b21as1b4k5m5w/1199wvg54drfwdgdaa5
3051tg5a2b21ae8
3051cd2a02a1am5b3dfh2
3051dp2a62a1ab4m5k5hr5
3051dp2a22a1ab4m5dfhr5
3051gp2a2b21ab4d4m5hr5
2051cd1a02a1ah2b3i1d4q4
3051l3ag0kd31abs1m5/1199wdc10kffwggda00
3051cd2a22a1am5b4tr
3051cg5a22a1am5b4df
3051cg4a03a1am5b3i1h2s6q4
3051cd2a22a1as2m5b4i7/1199dcc59affw75daa9gcu
3051dp3a22a1ab4m5hr5
3051cd2a22a1am5b4df
644hfi5a01q4j6
3051l2fa2hd21abi1
3051cd4f22a1bs1m5b4q4+1199wcd60aefw72da40
644hai1j5m5
3144pd5a1k5b5m5q4
3051cg3a22a1jb4k5l4m6df
3051cg1a22a1am5b4
3051l2aa2ra11aak5m5q4
2051tg3a2b31ab4e5m5
3051s2cd3a2e12a1ab4m5
3051cd2a22b1jb4k5m6
3051dp1a22a1ab4m5hr5
3051cd3a22a1bs1m5q4
2051tg1f2b21bm5s5
0306rt22ba11
2051cd3a02a1ah2b3d4df
3051cg4a22a1ab4m5dfq4
2051cg2a22a1ab4m5k7q4q8
3051cd2a02a1ab1h2
2051tg2a2b21k
3051dg1a22a1as1e8m5hr5/1199wdab3krfwfgdaa5
644hae5m5
3051gp4a2b21ab4k5hr5
3051cg4a22a1ab4e5m5
3051tg2a2b21ab4e5
3051cg5a27a1jb4i5
3051cd1a02a1as5e5q4m5
3051tg4a2b21ab4m5
3051cd4a22a1ab4m5
2088g3s22a1m7q4   
2090pg2s22c1m5q4p8   
3051tg3a2b21ab4m5q4
3051dp1a62a1am5b4e8q4hr5
3051gp2a2b21am5hr5
3051gp3a2b21am5hr5
3051dp2a62a1ab4m5hr5
3051cd3a22a1ab4m5k5
1151gp8s22m3b1
0305rc22b11b4l4
3051tg2a2c21bm5
3051dp1a22a1ab4m5k8
3051dp4a22a1ab4m5k8
3051cd2a22a1ab4k5
3051tg3f2b21bb4i5m5q4q8
3051l2agokd21abm5
3051tg4a2b21ab4i5m5
3051cd3a02a1ah2m5i1s5
3051cd2a02a1ah2m5i1s5
3051cd1a02a1ah2m5i1s5
3051cd2a22a1as8b4m5tk/1199ddc56kffwggda00
3051l4ah0xd11abm5
3051cd3a02a1as5b4m5
3051tg4a2b31bb4m5hr5
3051tg3a2b21bb4m5hr5
3051tg1a2b21bb4m5
3051cd1a22a1am5b4dfk5
3051cd1a22a1am5b4df
3051cg5a22a1ab4k5m5
3051cg4a22a1ab4k5m5
3051cg3a22a1ab4k5m5
3051tg4a2b21ab4k5m5
3051cd2a22a1bb4m5df
3051tg1a2b21a
3051tg1a2b21b
3051tg4a2c21a
3051cd2a02a1ah2b1
3051cd4a02a1ah2b1
3051s2cd3a2e12a1ab4m5d1d2
3051cd3a22a1b
3051tg2a2b21am5c4
2088g1s22d2m7
2088g1s22a1s1m5b4/1199wdd66kffwggda00e
3051cd2a22a1as8b4q4q8q1/1199dcc63dffwggda000
3051cd2a22a1as2b4m5p1q4/1199ddc59gffwg4da00e
3051tg2a2b21as1b4m5/1199wdc63gffwg1da00e
3051cd2a22a1bb4e5m5s2/1199ddc60kffwggda00e
3051dp4a22a1as1m5b4d4hr5/199wdc59kffwjgsa00
3051cd2a22a1as8b4q4q8/1199dcc59dffwgjda002e
3051cd2a22a1as8b4q4q8/1199dcc63kffwggda002e
3051cd2a22a1as8b4q4q8/1199dcc63kffwjgda002e
bns-819-b04-d12-61-12-10
bns819-b03-d12-61-12-10
ph371x3cs-4mu1
su100*300-s
cqm1-ad041+ips01
ygy-121000
sg-efs104 zk2/1 dc24v
cqm1-0c222
1/38z8-500-5-bz-n-vlc-r-01
fx3u-32mr/es-a
fl7m-2k6h-z
eb50p8-h4pr-2000
my4nj ac24v带底座
sk3361500
104pw201
e2e-x10me1-z
e2e-x10me2-z
sb330-50a1/112a9-330a
z2fgm6t2-2x/2qv
wsm08130c-01-c-n-24dg
saf32e12y1n330a
m-sr10ke 05-1x/
dbw10b252/200 6eg24n9k4
eja438w-eatg2ca-aa02-92da 单法兰dn50,量程:0-600kpa
3051cd3a22a1ab4df -248~+248kpa
3051tg5a2b21ab4 -101~+68900kpa
cdm2b20-15-c73l
d-a54
tcz-6302 220v
002722对应9006卡
70650813替代76650813
d-71570 订货号:9000-41034-0401000
tl-90lf/bi /r23d-x ac/dc24
e3jk-5m1
vt9626
pnoz x2.1 24vac/dc 2n/o 订货号:774306
31020800
31751021
31660612
31750817
31751017
4202152120
31040800
31060406
31060608
31060810
31061012
prt08-2d0
af50-06d
70651013
007463
31821200
pmp131-a2101a1t
440r-n23132(msr127tp dc24v)
b20il-2-2
pkg3m-2/txl
s/513
ftm50agj2a4a32aa
az8111
pca6148
6fc5247-0aa06-0aa0
cm1-160m/4300b 160a
mnh-510701 ac220v
ra/8063/m/30
fl7m-2j6hd
1122930000
pev-1/4-sc-od 161760
fsp300-60pln加24针接头
31090810
31091013
nj20+u1+e2
bk3150
3051l4ahokd11aa
3se5112-0ch01
wlca12-2n
6xv1830-oeh10
6es7972-obb52-oxao
4jpq1-n/0.16/(0.23+0.32)/0.07带指示器
t01-0700-1500 3000c 加边筐
ni8-m18-ap6x 5m
53p25-ea0b1ac2agab
6es7153-1aa03-0xb0
bi5-m18-az3x/6m
r72g-2gk-rmn
g6b-2114p-us dc24
ghp1-d-6
630764
630951
630328
630309
630956
772001
750008
779201
r412003822
c7035a1064
30-3601-a-100
sy5420-5lzd-c8
cdd-40p
rwd62
ise40-01-22l
skd62
doir1m-br85-anp6x2/s10
bsc2t25x25
31240419
小号线圈配gz1号给料机
大号线圈配dma-8f号给料机
pr18-5dp
sy7220-5gd-02
sy9120-5gd-03
cqm1-ad041+ips01
df1-50  dn50 ac220v
31750410
31750821
31060600
31750617
rn3003dw11ei353k
ab3-rv162u
mini-ps-100-240ac/5dc/3
c200he-cpu42
c200hw-clk21
c200h-cpu01
c200hw-pa204s
dfs60e-becm02048
6es7972-0ba41-0xa0
6es7972-0bb52-oxao
fx2n-32mr-001
d1vw004cnjw
149041000
773100
az8111
185000  f200ma-3kv-d8*86
xub9apanm12
6ep1334-3ba00
e3jm-ds70m4
acs-cp-u
sld-01+asc-02
sk3325107
sk3325207
rlk31-8-2500-ir/31/115
3sb1400-0a
3sb1400-0g
rt314615
g2r-2-sni ac230(s)
g2r-2-sndi dc24(s)
6es7323-1bh01-0aa0
model:b5
4161109206替代ge5 060 f47/152 24vdc  120w4161.111.
z-15gw22-b
prt08-2d0
smeo-1-s-led-24-b
tks931123000
sde1-b2-g2-w18-l-pu-m8
dp-102a-e-p
rt/57210/mf/80
nse06-01
nse06-02
nse08-01
nse10-02
nse08-02
fp25/2
nbn8-18gm50-e2
tp-sm5n1
ni8-m18-ap6x 5m
bes516-347-m0-c-03
rvt-6 100-690v 订货号:10114094
bi30r-q20-an6x2-h1141
kl3054
model:b5
fp-108k s1-b ac220v/240v
fp-108k配网罩
nbb10-30gm50-e2
tl15/5
129464n
besm08eh-psc15b-s04g
btl5-p-4500-1
lte-1081j 红色dc24v
nbb8-18gm40-e0
kp35 订货号:060-1133
xmt604
sf02
?br0.1-1.0-3-e
ni8-m18-vn4x
ie3-w41r225s4c tpm hw替代k21r 225 s 4 tw shw
rg4-15-2mcrf
k7m-dr20ue
ka2208ha1?110v/120v
dp200a p/n:2123xbl  220v-240v  0.14a
rkl-4302 009.00m
rkg-4200 010.00m
rkg-4200 007.00m
31060608?
31091217
31041210
ra/8063/m/30/h 112,5
lfr-1-d-maxi-a
t6  1200lm 加一组电池
smto-1-ns-k-led-24-c
ap11e4-20a-03t-dc24v
apbb-22&25n
cm1-630m/4300b?630a
e3jm-ds70m4
tk-prr021
9007tub4
ifs205
prt08-2d0
gn139.2-49-101
cmd-al-45-sh-4-m5
gj60-1650-ss
41401
41418
41482
41404
eja210a-e-h-t-g2-c-5-c-9-7-e-n4

福州图瑞工业自动化设备有限公司

15959154529
中国 福州
福州分类信息网,免费分类信息发布

VIP推荐

免费发布信息,免费发布B2B信息网站平台 - 三六零分类信息网 沪ICP备09012988号-2
企业名录