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WuxiJOCACableTechnologyGroupCo.,Ltd.
⽆ 锡 玖 开 线 缆 科 技 集 团 有 限 公 司
电⼒储能系统⽤电池连接电缆
产品说明书
BATTERY CABLE FOR
ELECTRIC ENERGY STORAGE SYSTEM
BROCHURE
玖开集团始创于2007年，总部位于中国线缆产业高地——江苏宜兴，是以线缆科技创新为核心引擎的国家高新技术
企业，年产能达60亿元，公司总占地面积近20万㎡，员工1000多名。其中中高级职称占15%，总资产约25亿元。集团聚
焦智能电力传输、新能源互联及高端工业线缆领域的研发、智造、服务于一体的全球化产业布局，致力于为全球新能源
转型、智能电网建设、智能装备制造、新基建、工业自动化等提供高性能、高可靠、低碳化的线缆系统解决方案。
智造布局 硬核实力
集团构建三大专业化智能制造基地：无锡玖开线缆科技集团有限公司深耕35kV及以下中、低压电力电缆、屏蔽电
缆、架空导线、布电线，巩固铝合金电缆、新能源光、风、储线缆等优势产品；玖开特种线缆（上海）有限公司是专注
高端工业特种线缆集成、光伏电缆、工业机器人柔性电缆、新能源汽车电缆、充电桩与储能线缆的技术领军者；玖安卡
（江苏）智能电力科技有限公司主攻220kV及以下电缆附件研发、生产及安装服务一体化，实现超高压领域国产化技术
替代。集团具有强大的研发实力和精益生产能力，形成覆盖全场景的线缆产业链。
科技引领 标准先行
拥有德国莱茵TÜV授权实验室、国家CNAS实验室（检测数据全球互认）及省防火电缆工程技术研究中心、“江苏精
品”、“先进智能工厂”、“绿色工厂”，并取得专利证书109项，其中发明专利超20项，主导参与10余项国家、行业
及团体标准制定。通过ISO 9001/14001/45001等六大管理体系认证及欧盟CE、美国UL、日本S-JET、加拿大CUL、澳
标SAA、德国DEKRA等国际认证。荣获国家级专精特新“小巨人”、中国机械工业500强、中国线缆最具竞争力百强、
2024年中国光伏首选品牌、2025年中国电线电缆十大创新标杆企业、四星上云企业、省质量信用3A、双A两化融合企业
等权威荣誉。
产品赋能 全球服务
集团与国家电网、南方电网、国电投等五大六小能源央国企、中铁、中核、中建等形成长期战略合作。产品广泛应
用于港珠澳大桥、国家军事博物馆、重庆江北机场T3航站楼、哈尔滨高铁站、吾悦广场、上海张江集成电路工程 、中东
长春集团、江苏科隆新能源锂电项目、特高压盐城润元~台南220kV线路改造工程并出口一带一路沿线及欧美几十个国家
和地区，包括巴基斯坦卡拉奇光伏电站、韩国KDM1PO公司灵光郡光伏电站、以色列电力公司、匈牙利Tiszafured光伏
电站。
连接未来 共创价值
玖开集团以“创新、高品质、可持续”为动力，坚持以客户为中心、市场为导向，积极落实“双碳”战略与智能电
网建设，持续深化绿色发展与智改数转网联，携手合作伙伴共筑可持续发展的新能源生态，矢志成为线缆行业创新标
杆。
01 无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
JOCA Group was founded in 2007 and is headquartered in Yixing, Jiangsu—a hub of China's cable industry. As a
national high-tech enterprise driven by innovation in cable technology, the Group boasts an annual production
capacity of 6 billion RMB, with a total area of nearly 200,000 m² and over 1,000 employees. Among them, 15% hold
intermediate or senior professional titles, and total assets amount to approximately 2.5 billion RMB. The Group focuses
on R&D, intelligent manufacturing, and services in smart power transmission, new energy interconnection, and highend industrial cables, committed to providing high-performance, reliable, and low-carbon cable system solutions for
global energy transition, smart grid construction, intelligent equipment manufacturing, new infrastructure, and
industrial automation.
Intelligent Manufacturing with Strong Capabilities
The Group operates three specialized smart manufacturing bases:Wuxi JOCA Cable Technology Group Co., Ltd.
specializes in 35kV and below medium/low-voltage power cables, shielded cables, overhead conductors, and building
wires, reinforcing its leading position in aluminum alloy cables and new energy cables for solar, wind, and energy
storage.JOCA Special Cable (Shanghai) Co., Ltd. is a technology leader in high-end industrial cables, PV cables, flexible
cables for industrial robots, EV cables, and charging pile/energy storage cables.Jiuanka (Jiangsu) Intelligent Power
Technology Co., Ltd. focuses on integrated R&D, production, and installation services for 220kV and below cable
accessories, achieving domestic technological substitution in ultra-high voltage fields.With strong R&D and lean
production capabilities, the Group has built a comprehensive cable industry chain covering all scenarios.
Technology Leadership & Standards Development
The Group owns a TÜV Rheinland-authorized lab, a CNAS-accredited national lab (globally recognized test data),
and a provincial fire-resistant cable engineering research center. Recognized as \"Jiangsu Premium,\" \"Advanced Smart
Factory,\" and \"Green Factory,\" it holds 109 patents, including over 20 inventions, and leads or participates in more than
10 national, industry, and association standards. Certifications include ISO 9001/14001/45001, EU CE, US UL, Japan SJET, Canada CUL, Australia SAA, and Germany DEKRA. Honors include National \"Little Giant\" SME, Top 500 China
Machinery Industry, Top 100 Competitive Cable Enterprises, 2024 China PV Preferred Brand, 2025 China Wire & Cable Top
10 Innovation Leaders, 4-Star Cloud Enterprise, AAA Provincial Quality Credit, and AA-level Integration of
Industrialization and Informatization.
Empowering Products & Global Service:
The Group maintains long-term partnerships with State Grid, China Southern Power Grid, SPIC, and other stateowned energy giants, as well as China Railway, CNNC, and CSCEC. Its products are widely used in:Landmarks: Hong
Kong-Zhuhai-Macao Bridge, National Military Museum, Chongqing Jiangbei Airport T3, Harbin High-Speed Rail Station,
Wuyue Plaza.Projects: Shanghai Zhangjiang IC Engineering, Middle East Changchun Group, Jiangsu Kelong New Energy
Lithium Project, 220kV Yanrun-Tainan UHV Line Upgrade.Global Exports: Pakistan Karachi PV Plant, South Korea
KDM1PO Gwangju PV Plant, Israel Electric Corporation, Hungary Tiszafured PV Station, and other Belt & Road and Europe
and America markets.
Connecting the Future & Creating Value
Driven by innovation, high quality, and sustainability, JOCA Group adheres to customer-centric and marketoriented principles, actively implements \"dual-carbon\" strategies and smart grid development, and advances green
transformation with intelligent, digital, and networked upgrades. Together with partners, it aims to build a sustainable
new energy ecosystem and become an innovation benchmark in the cable industry.
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd. 02
03 无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd. 电⼒储能系统⽤电池连接电缆
电池组到汇流箱的连接
铜排连接Conne ctionbetweencopperbars
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd. 04
PRODUCTSTANDARD
USAGECHARACTERISTIC
产品标准 RANGEOFAPPLICATION
使用特性
适用范围
绝缘材料 温度
℃
导体最高连续工作温度 使用环境最低温度 Insulation
Material Maximum Continuous Operating
Temperatureof Conductor
Minimum Operating
Temperature
V-90 +90 -20
YJ-125 +125 -40
代号 CodeName 含义 Meaning
产品系列代号 Series Code
ES 电⼒储能系统⽤ For electrical system
导体代号及含义 Conductor Codeand Meaning
R 第 5 种或第 6 种导体 The class 5 or class 6 conductor
绝缘和护套材料代号及含义 Codeand Meaning of and
V-90 耐热 90℃聚氯⼄烯混合物绝缘/护套 90℃ PVC blend /
YJ-125 低烟⽆⻧阻燃耐热 125℃交联聚烯烃绝缘/护套 LSZH, 125℃
代号及其含义 CodeNameandItsMeaning
05 XLPE insulation/sheath 温度等级代号及含义 Class Codeand Meaning
90 90℃ In normal the maximum
permissible of the is 90℃
125 125℃ In normal the maximum
permissible of the is 125℃
PPP 58049A PPP 58049A Naming
代号 CodeName 含义 Meaning
产品系列代号 Product Series Code
ES 电⼒储能系统⽤ For electrical
电压等级 Voltage
H09 DC 900V
H15 DC 1500V
绝缘和护套材料代号及含义 Codeand Meaningof Insulating and Sheathing Material
V 耐热 90℃聚氯⼄烯混合物绝缘/护套 Heat 90℃ PVC blendinsulation/sheath
Z 低烟⽆⻧阻燃耐热 125℃交联聚烯烃绝缘/护套 , retardanthe, at 125℃
XLPE insulation/sheath
导体代号及含义 Conductor Codeand Meaning
F The class 5 conductor
H The class 6 conductor
电缆的型号、名称 Cable and Name
型 号
Type 名
Name
CQC1143 PPP 58049A
ES-H09V-F/H
耐热 90℃
Heat resistant 90℃ PVC insulated unsheathed battery cable for
electrical energy storage system
ES-H09VV-F/H
耐热 90℃
Heat resistant 90℃ PVC insulated sheathed battery cable for
electrical energy storage system
ES-YJ-125
ES-H09Z-F/H
ES-H15Z-F/H
耐热 125℃
LSZH, heat-resistant 125℃, XLPE insulated
unsheathed battery cable for electrical energy storage system
ES-RYJYJ-125 ES-H09ZZ-F/H
ES-H15ZZ-F/H
耐热 125℃
LSZH, heat-resistant 125℃, XLPE insulated
sheathed battery cable for electrical energy storage system
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
06
生产范围
Range of Production
型 号 额定电压 V 芯数 导体标称截⾯ mm
2
电缆结构尺寸 Structural Dimension
Type Numberof
Cores
NominalCross Sectionof
Conductor
CQC1143 PPP 58049A
ES-H09V-F/H
DC 900 1 4-240
ES-H09VV-F/H
ES-YJ-125
ES-H09Z-F/H
ES-H15Z-F/H DC 900
DC 1500
1 4-240
ES-RYJYJ-125
ES-H09ZZ-F/H
ES-H15ZZ-F/H
标称截⾯
Nominal
ion
mm2
导体种类
Class of
r
绝缘厚度
Insulation
Thickness
mm
平均外径
上限
Upper
Limit of
Outside
Diameter
mm
电缆参考重量
Cable
Weight
kg/km
20℃导体最⼤直流电阻
Max. DC of
℃)
Ω/km
不镀⾦属
Non
ating
镀⾦属
ting
4 5 1.0 5.20 48 4.95 5.09
4 6 1.0 5.20 51 4.95 5.09
6 5 1.0 5.80 68 3.30 3.39
6 6 1.0 5.80 73 3.30 3.39
10 5 1.0 6.80 113 1.91 1.95
10 6 1.0 6.80 112 1.91 1.95
16 5 1.0 8.10 167 1.21 1.24
16 6 1.0 8.10 166 1.21 1.24
25
25
5
6
1.2
1.2
10.20
10.20
255
265
0.780
0.780
0.795
0.795
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
07 35 5 1.2 11.70 347 0.554 0.565
35 6 1.2 11.70 351 0.554 0.565
50 5 1.4 13.90 493 0.386 0.393
50 6 1.4 13.90 498 0.386 0.393
70 5 1.4 16.00 686 0.272 0.277
70 6 1.4 16.00 713 0.272 0.277
95 5 1.6 18.20 931 0.206 0.210
95 6 1.6 18.20 951 0.206 0.210
120 5 1.6 20.20 1160 0.161 0.164
120 6 1.6 20.20 1143 0.161 0.164
150 5 1.8 22.50 1445 0.129 0.132
150 6 1.8 22.50 1425 0.129 0.132
185 5 2.0 24.90 1776 0.106 0.108
185 6 2.0 24.90 1763 0.106 0.108
240 5 2.2 28.40 2301 0.0801 0.0817
标称截⾯
Nominal
Cross-Section
mm2
导体种类
Class of
Conductor
绝缘厚度
n
Thickness
mm
平均外径
上限
Upper
Limit of
mm
电缆参考重量
Cable
Weight
20℃导体最⼤直流电阻
Max. DC of
Conductor(20 ℃)
Ω/km
不镀⾦属
Non
Electropl
镀⾦属
Electroplating
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
08
4 5 0.7 4.5 42 4.95 5.09
4 6 0.7 4.5 45 4.95 5.09
6 5 0.7 5.1 60 3.30 3.39
6 6 0.7 5.1 66 3.30 3.39
10 5 0.7 6.1 104 1.91 1.95
10 6 0.7 6.1 104 1.91 1.95
16 5 0.7 7.4 157 1.21 1.24
16 6 0.7 7.4 156 1.21 1.24
25 5 0.9 9.5 242 0.780 0.795
25 6 0.9 9.5 252 0.780 0.795
35 5 0.9 11.0 332 0.554 0.565
35 6 0.9 11.0 336 0.554 0.565
50 5 1.0 13.0 469 0.386 0.393
50 6 1.0 13.0 475 0.386 0.393
70 5 1.1 15.3 666 0.272 0.277
70 6 1.1 15.3 693 0.272 0.277
95 5 1.1 17.1 891 0.206 0.210
95 6 1.1 17.1 913 0.206 0.210
120 5 1.2 19.3 1124 0.161 0.164
120 6 1.2 19.3 1108 0.161 0.164
150 5 1.4 21.6 1406 0.129 0.132
150 6 1.4 21.6 1385 0.129 0.132
185 5 1.6 24.0 1733 0.106 0.108
185 6 1.6 24.0 1720 0.106 0.108
240 5 1.7 27.3 2239 0.0801 0.0817
240 6 1.7 27.3 2208 0.0801 0.0817
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
09 标称截⾯
Nominal
ion
mm2
导体种类
Class of
Conductor
绝缘厚度
Insulation
Thickness
mm
平均外径
上限
Upper
Limit of
Outside
Diameter
mm
电缆参考重量
Cable
Reference
Weight
kg/km
20℃导体最⼤直流电阻
Max. DC of
Conductor(20 ℃)
Ω/km
不镀⾦属
Non
Electropl
ating
镀⾦属
ting
4 5 0.8 4.8 44 4.95 5.09
4 6 0.8 4.8 47 4.95 5.09
6 5 0.8 5.3 63 3.30 3.39
6 6 0.8 5.3 68 3.30 3.39
10 5 1.0 6.8 113 1.91 1.95
10 6 1.0 6.8 112 1.91 1.95
16 5 1.1 8.4 171 1.21 1.24
16 6 1.1 8.4 170 1.21 1.24
25 5 1.3 10.4 259 0.780 0.795
25 6 1.3 10.4 269 0.780 0.795
35 5 1.3 11.9 352 0.554 0.565
35 6 1.3 11.9 356 0.554 0.565
50 5 1.5 14.2 500 0.386 0.393
50 6 1.5 14.2 504 0.386 0.393
70 5 1.5 16.2 693 0.272 0.277
70 6 1.5 16.2 720 0.272 0.277
95 5 1.5 18.0 923 0.206 0.210
95 6 1.5 18.0 943 0.206 0.210
120 5 1.5 20.0 1151 0.161 0.164
120 6 1.5 20.0 1134 0.161 0.164
150 5 1.7 22.3 1435 0.129 0.132
150 6 1.7 22.3 1415 0.129 0.132
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
10
240 5 2.0 28.0 2276 0.0801 0.0817
240 6 2.0 28.0 2276 0.0801 0.0817
185 5 1.9 24.7 1765 0.106 0.108
185 6 1.9 24.7 1752 0.106 0.108
标称截⾯
Nominal
cross-section
mm2
导体种类
Class of
Conductor
绝缘厚度
Insulation
Thickness
mm
护套厚度
Sheath
Thickness
mm
平均外径
上限
Upper
Limit of
Average
mm
电缆参
考重量
Cable
Refere
nce
Weight
20℃导体最⼤直流电阻
Max. DC of
Conductor(20℃)
Ω/km
不镀⾦属
Non
Electrop
lating
镀⾦属
Electropl
ating
4 5 1.0 0.7 6.8 65 4.95 5.09
4 6 1.0 0.7 6.8 69 4.95 5.09
6 5 1.0 0.7 7.4 88 3.30 3.39
6 6 1.0 0.7 7.4 94 3.30 3.39
10 5 1.0 0.7 8.5 138 1.91 1.95
10 6 1.0 0.7 8.5 136 1.91 1.95
16 5 1.0 0.7 9.8 195 1.21 1.24
16 6 1.0 0.7 9.8 194 1.21 1.24
25 5 1.2 0.8 12.0 294 0.780 0.795
25 6 1.2 0.8 12.0 303 0.780 0.795
35 5 1.2 0.8 13.6 391 0.554 0.565
35 6 1.2 0.8 13.6 394 0.554 0.565
50 5 1.4 0.8 15.9 547 0.386 0.393
50 6 1.4 0.8 15.9 549 0.386 0.393
70 5 1.4 0.9 18.0 754 0.272 0.277
70 6 1.4 0.9 18.0 779 0.272 0.277
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
11 95
95
120
120
150
150
185
185
240
240
20.3
20.3
22.4
22.4
24.8
24.8
27.3
27.3
30.9
30.9
1010
1027
1248
1228
1551
1530
1890
1880
2445
2416
0.206
0.206
0.161
0.161
0.129
0.129
0.106
0.106
0.0801
0.0801
0.210
0.210
0.164
0.164
0.132
0.132
0.108
0.108
0.0817
0.0817
5 1.6 0.9
6 1.6 0.9
5 1.6 0.9
6 1.6 0.9
5 1.8 1.0
6 1.8 1.0
5 2.0 1.0
6 2.0 1.0
5 2.2 1.1
6 2.2 1.1
标称截⾯
Nominal
cross-section
mm2
导体种类
Class of
Conductor
绝缘厚度
Insulation
Thickness
mm
护套厚度
Sheath
Thickness
mm
平均外径
上限
Upper
Limit of
Average
mm
电缆参
考重量
Cable
Refere
nce
Weight
20℃导体最⼤直流电阻
Max. DC of
Conductor(20℃)
Ω/km
不镀⾦属
Non
Electrop
lating
镀⾦属
Electropl
ating
4 5 1.0 0.7 6.8 65 4.95 5.09
4 6 1.0 0.7 6.8 69 4.95 5.09
6 5 1.0 0.7 7.4 88 3.30 3.39
6 6 1.0 0.7 7.4 94 3.30 3.39
10 5 1.0 0.7 8.5 138 1.91 1.95
10 6 1.0 0.7 8.5 136 1.91 1.95
16 5 1.0 0.7 9.8 195 1.21 1.24
16 6 1.0 0.7 9.8 194 1.21 1.24
25 5 1.2 0.8 12.0 294 0.780 0.795
25 6 1.2 0.8 12.0 303 0.780 0.795
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
12
95
95
120
120
150
150
185
185
240
240
20.3
20.3
22.4
22.4
24.8
24.8
27.3
27.3
30.9
30.9
1010
1027
1248
1228
1551
1530
1890
1880
2445
2416
0.206
0.206
0.161
0.161
0.129
0.129
0.106
0.106
0.0801
0.0801
0.210
0.210
0.164
0.164
0.132
0.132
0.108
0.108
0.0817
0.0817
5 1.6 0.9
6 1.6 0.9
5 1.6 0.9
6 1.6 0.9
5 1.8 1.0
6 1.8 1.0
5 2.0 1.0
6 2.0 1.0
5 2.2 1.1
6 2.2 1.1
标称截⾯
Nominal
cross-section
mm2
导体种类
Class of
Conductor
绝缘厚度
Insulation
Thickness
mm
护套厚度
Sheath
Thickness
mm
平均外径
上限
Upper
Limit of
Average
mm
电缆参
考重量
Cable
Refere
nce
Weight
20℃导体最⼤直流电阻
Max. DC of
Conductor(20℃)
Ω/km
不镀⾦属
Non
Electrop
lating
镀⾦属
Electropl
ating
4 5 0.8 0.7 6.3 60 4.95 5.09
4 6 0.8 0.7 6.3 64 4.95 5.09
6 5 0.8 0.7 6.9 83 3.30 3.39
6 6 0.8 0.7 6.9 88 3.30 3.39
35 5 1.2 0.8 13.6 391 0.554 0.565
35 6 1.2 0.8 13.6 394 0.554 0.565
50 5 1.4 0.8 15.9 547 0.386 0.393
50 6 1.4 0.8 15.9 549 0.386 0.393
70 5 1.4 0.9 18.0 754 0.272 0.277
70 6 1.4 0.9 18.0 779 0.272 0.277
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
13 95
95
120
120
150
150
185
185
240
240
20.1
20.1
22.1
22.1
24.6
24.6
27.1
27.1
30.5
30.5
1005
1022
1242
1222
1546
1525
1884
1875
2426
2396
0.206
0.206
0.161
0.161
0.129
0.129
0.106
0.106
0.0801
0.0801
0.210
0.210
0.164
0.164
0.132
0.132
0.108
0.108
0.0817
0.0817
5 1.5 0.9
6 1.5 0.9
5 1.5 0.9
6 1.5 0.9
5 1.7 1.0
6 1.7 1.0
5 1.9 1.0
6 1.9 1.0
5 2.0 1.1
6 2.0 1.1
10 5 1.0 0.7 8.5 137 1.91 1.95
10 6 1.0 0.7 8.5 137 1.91 1.95
16 5 1.1 0.7 10.1 201 1.21 1.24
16 6 1.1 0.7 10.1 200 1.21 1.24
25 5 1.3 0.8 12.2 301 0.780 0.795
25 6 1.3 0.8 12.2 310 0.780 0.795
35 5 1.3 0.8 13.8 399 0.554 0.565
35 6 1.3 0.8 13.8 402 0.554 0.565
50 5 1.5 0.8 16.1 557 0.386 0.393
50 6 1.5 0.8 16.1 558 0.386 0.393
70 5 1.5 0.9 18.3 765 0.272 0.277
70 6 1.5 0.9 18.3 790 0.272 0.277
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
14
产品结构示意图 SCHEMATICDIAGRAMOFPRODUCTSTRUCTURE
导体 Conductor
conductorco
绝缘
绝缘
导体 Conductor
护套 Sheath
电缆载流量
不同环境温度下载流量修正系数：
mm 2
Nominal
A
Carrying air)
4 43
6 55
10 79
16 105
25 138
35 169
50 211
70 269
95 328
120 391
150 459
185 527
240 639
℃
Ambient
修正系数
35 1.11
45 1.00
55 0.88
65 0.75
75 0.58
85 0.33
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
15 ⼯程实例
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd. 宁夏中卫腾格⾥沙溪
新能源基地储能电站
内蒙古能源集团磴⼝电储
新能源100MW40万kwh储能项
国 能 韩 城 100MW
复合光伏发电项⽬
16
玖开愿与您一起携手合作，
共创未来!
qunxing is willing to collaborate with you and create
the future together.
无锡玖开线缆科技集团有限公司 WuxiJOCACableTechnologyGroupCo.,Ltd.
WuxiJOCACableTechnologyGroupCo.,Ltd.
⽆ 锡 玖 开 线 缆 科 技 集 团 有 限 公 司
⽹址：www.jocagroup.com
