- 01
TGOOD 特锐德 Full profile
Modular substations, power equipment and integrated energy systems.
- Prefabricated substations
- Modular substations
- Vehicle-mounted substations
- Switchgear
- Integrated energy stations
- EV charging systems
Why it ranks here: registered legal entity on file; email and phone published; publicly listed; operating since 2004.
- 02
Dongfang Wisdom 威思顿 Full profile
Smart meters / AMI and AMR systems / Electricity data acquisition.
- Smart meters
- AMI and AMR systems
- Electricity data acquisition
- Distribution equipment
- Integrated energy management
- Digital factory systems
Why it ranks here: registered legal entity on file; email and phone published; operating since 2003.
- 03
Hanhe Cable 汉河HanHe Full profile
Power cables / High-voltage cables / Control cables.
- Power cables
- High-voltage cables
- Control cables
- Submarine cables
- Cable accessories
- Specialty conductors
Why it ranks here: registered legal entity on file; email and phone published; publicly listed; operating since 1982.
- 04
Taikai 泰开TK Full profile
Transmission equipment manufacturing with EPC and maintenance services.
- High-voltage switchgear
- Circuit breakers
- Transformers
- Instrument transformers
- Surge arresters
- Mobile substations
Why it ranks here: registered legal entity on file; email and phone published.
- 05
SDEE 山东电工 Full profile
Transmission equipment and integrated electrical engineering services.
- Transformers
- Gas-insulated equipment
- Transmission towers
- Wire and cable
- Digital grid systems
- Energy management equipment
Why it ranks here: registered legal entity on file; phone published.
- 06
Bai Yuan Ke Ji 柏远科技
Registered as 山东柏远复合材料科技股份有限公司 in 2010.
- MPP electrical conduits
- CPVC electrical conduits
- Cable protection conduits
- Fiberglass cable conduits
Why it ranks here: registered legal entity on file; email and phone published; operating since 2010.
- 07
Ceyear 思仪Ceyear
Registered as 中电科思仪科技股份有限公司 in 2015.
- Optical attenuators
- Spectrum analyzers
- Network analyzers
- Signal generators
Why it ranks here: registered legal entity on file; email and phone published; operating since 2015.
- 08
TELD 特来电TELD
Registered as 青岛特锐德电气股份有限公司 in 2004.
- EV charging stations
- Home EV chargers
- Heavy-truck charging stations
- Construction-equipment chargers
Why it ranks here: registered legal entity on file; email and phone published; operating since 2004.
- 09
WEICHAI 潍柴WEICHAI
Registered as 潍柴控股集团有限公司 in 1989.
- Generators
- Diesel generator sets
- Fuel cells
Why it ranks here: registered legal entity on file; phone published; operating since 1946.
- 10
YEELIGHT YEELIGHT易来
Registered as 青岛易来智能科技股份有限公司 in 2012.
- Smart switches
- Ceiling lights
- LED strip lights
- Bedside lamps
- Spotlights
- Smart lighting
Why it ranks here: registered legal entity on file; phone published; operating since 2012.
- 11
Ainuo 艾诺Ainuo
Registered as 青岛艾诺仪器有限公司 in 2022.
- Resistance testers
- Electrical safety testers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 12
Chuang Tong 创统
Registered as 青岛创统科技发展有限公司 in 1990.
- Emergency power supplies
Why it ranks here: registered legal entity on file; email and phone published.
- 13
De Ma Yi Tong 德玛易通
Registered as 济南德玛电气有限公司 in 2002.
- Conductor rail systems
Why it ranks here: registered legal entity on file; email and phone published.
- 14
Goermicro Goermicro
Registered as 歌尔微电子股份有限公司 in 2017.
- Pressure sensors
- Sensors
Why it ranks here: registered legal entity on file; email and phone published; operating since 2017.
- 15
Goertek 歌尔Goertek
Registered as 歌尔股份有限公司 in 2001.
- Electronic components
Why it ranks here: registered legal entity on file; email and phone published; operating since 2001.
- 16
HARDHITTER 海汇德HARDHITTER
Registered as 青岛海汇德电气有限公司 in 2009.
- Heavy-truck charging stations
- Construction-equipment chargers
Why it ranks here: registered legal entity on file; email and phone published; operating since 2009.
- 17
HUATAI 华太HUATAI
Registered as 临沂华太电池有限公司 in 1997.
- Primary batteries
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 18
Hantek Hantek
Registered as 青岛汉泰电子有限公司 in 2004.
- Logic analyzers
Why it ranks here: registered legal entity on file; email and phone published.
- 19
Hong Sheng Hua Yuan 宏盛华源
Registered as 宏盛华源铁塔集团股份有限公司 in 1985.
- Transmission towers
Why it ranks here: registered legal entity on file; email and phone published.
- 20
Hui Jin Tong 汇金通
Registered as 青岛汇金通电力设备股份有限公司 in 2004.
- Transmission towers
Why it ranks here: registered legal entity on file; email and phone published; operating since 2004.
- 21
InfiRay 艾睿光电InfiRay
Registered as 烟台艾睿光电科技有限公司 in 2010.
- Thermal imaging cameras
Why it ranks here: registered legal entity on file; email and phone published; operating since 2010.
- 22
JF 山东城际轨道JF
Registered as 山东城际轨道交通科技股份有限公司 in 2010.
- Cable support brackets
Why it ranks here: registered legal entity on file; email and phone published; operating since 2010.
- 23
Jin Run Gu Fen 金润股份
Registered as 烟台金润核电材料股份有限公司 in 1999.
- Cable fire-protection coatings
Why it ranks here: registered legal entity on file; email and phone published; operating since 1999.
- 24
Jing Hua Guang Dian 晶华光电
Registered as 山东晶华光电科技有限公司 in 2012.
- Plant grow lights
Why it ranks here: registered legal entity on file; email and phone published; operating since 2012.
- 25
KELI 科力KELI
Registered as 济宁科力光电产业有限责任公司 in 1997.
- Safety light curtains
Why it ranks here: registered legal entity on file; email and phone published.
- 26
LIGOO 力高新能源LIGOO
Registered as 力高新能源技术股份有限公司 in 2010.
- Battery management systems
Why it ranks here: registered legal entity on file; email and phone published; operating since 2010.
- 27
Lai En Guang Dian 莱恩光电
Registered as 山东莱恩光电科技股份有限公司 in 2004.
- Safety light curtains
Why it ranks here: registered legal entity on file; email and phone published; operating since 2004.
- 28
Lei Ke Shi 雷克石
Registered as 青岛雷克石电力科技有限公司 in 2018.
- Earth electrodes
- Earthing conductors
Why it ranks here: registered legal entity on file; email and phone published; operating since 2018.
- 29
Lu Yu Neng Yuan 鲁渝能源
Registered as 青岛鲁渝能源科技有限公司 in 2014.
- Battery chargers
Why it ranks here: registered legal entity on file; email and phone published.
- 30
Mei Hua 梅花
Registered as 山东澳兴绝缘材料有限公司 in 1999.
- Electrical insulation boards
Why it ranks here: registered legal entity on file; email and phone published; operating since 1980.
- 31
Richmat 豪江Richmat
Registered as 青岛豪江智能科技股份有限公司 in 2017.
- Electric linear actuators
Why it ranks here: registered legal entity on file; email and phone published; operating since 2003.
- 32
STAR 四达STAR
Registered as 山东四达工贸股份有限公司 in 2002.
- Electrical insulation boards
Why it ranks here: registered legal entity on file; email and phone published; operating since 1966.
- 33
Sheng Yang 圣阳
Registered as 山东圣阳电源股份有限公司 in 1998.
- Lead-acid batteries
Why it ranks here: registered legal entity on file; email and phone published; operating since 1991.
- 34
THUNDEROBOT 雷神THUNDEROBOT
Registered as 青岛雷神科技股份有限公司 in 2014.
- Monitor light bars
Why it ranks here: registered legal entity on file; email and phone published; operating since 2008.
- 35
Tai Kai Hu Gan Qi 泰开互感器
Registered as 山东泰开互感器有限公司 in 2003.
- Instrument transformers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1997.
- 36
Wu Xiao 武晓
Registered as 青岛武晓集团股份有限公司 in 1998.
- Transmission towers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 37
Yun He 运河
Registered as 临清兴和宏鑫机床有限公司 in 2004.
- Electromagnetic chucks
Why it ranks here: registered legal entity on file; email and phone published; operating since 1955.
- 38
Zhong Ji Xu Chuang 中际旭创
Registered as 中际旭创股份有限公司 in 2005.
- Optical transceiver modules
Why it ranks here: registered legal entity on file; email and phone published; operating since 1987.
- 39
item item
Registered as 青岛依诺信工业自动化技术有限公司 in 2011.
- ESD workbenches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1976.
- 40
Zhong Yang Xiao Fang 中阳消防
Registered as 青岛中阳消防科技股份有限公司 in 2004.
- Linear heat detection cables
Why it ranks here: registered legal entity on file; email published.
- 41
ZTD ZTD
Registered as 中特科技(青岛)股份有限公司 in 2008.
- Coil winding machines
Why it ranks here: registered legal entity on file; email and phone published.