HomeSupplier Discoveryarrow-rightElectrical & Electronicsarrow-rightAC Motorarrow-rightClass D Efficiency Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about class d efficiency
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

class d efficiency10,000+ factories verified

Fengjing (China) Building Materials Group Co., Ltd.

20 yrs
·Manufacturer/Factory & Trading Company
Main Products:
PU Foam, Silicone Sealant, Polyurethane Foam, Adhesive, Glue, Home Decor, Silicone, Polyurethane Foam Insulation, Silicone Seal, Silicon Sealant
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our main products are PU foam and silicone sealants, which are widely used in door and window installation and home sealing and insulation. We support full OEM customization, including formulations, specification, private labeling and packaging customization.

Qiying Huanyu (Qingdao) Sci-Tech Innovation Development Co., Ltd.

Main Products:
Power Transformer, Oil-Immersed Power Transformer, Dry-Type Power Transformer, High and Low Voltage Distribution Cabinet, Prefabricated Substation, Energy Storage Cabinet, Inverter, EV Charging Pile
Country/Region:
Shandong, China
Company Profile:
Qiying Huanyu is a large-scale industrial enterprise integrating R&D, design, manufacturing, sales, after-sales service and import & export trade. Our product portfolio covers power transformers, ultra-high voltage transformers, extra-high voltage transformers, dry-type transformers, oil-immersed transformers, amorphous alloy transformers, box-type transformers, rectifier transformers, furnace transformers, mining transformers, explosion-proof transformers and special-purpose transformers, as well as high-low voltage distribution cabinets, prefabricated substations, energy storage cabinets, inverters, charging piles, fluid filtration system equipment, refrigeration equipment and artificial intelligence technologies.

Anhui Changda Electrical Equipment Co., Ltd.

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Distribution Cabinets, Transformers
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Anhui Changda Electrical Equipment Co., Ltd.  stands as a technology-driven enterprise specializing in advanced power transmission, distribution solutions, and the new energy sector. Strategically located in Xiatang Town, Hefei-renowned as China's "Capital of New-Energy Vehicle Manufacturing"-we operate from a state-of-the-art, 26, 000-square-meter standardized manufacturing facility.

TSTY ELECTRIC CO., LTD.

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Oil Immersed Transformer, Dry Type Transformer, Transformer Substation, High and Low Voltage Switchgear
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TSTY Electric Co., Ltd. Was established in 2011 and is located in Jiaxian County, Henan Province. It is a digital management enterprise integrating R&D, production, sales and installation of power equipment. The company's products cover 6kv, 11kv, 22kv, 35kv, 220kv, etc. Power transformers, distribution transformers, box-type substations, high and low voltage switchgear, wind power, photovoltaic power generation equipment, etc.

Aa1 Technology Electronic Co., Limited

Manufacturer/Factory & Trading Company
Main Products:
Line Array, Speaker, PA System, Sound System, Amplifier, Home Theater, Subwoofer, Microphone, Headphone, Sound Card
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
CHORDIO, the core brand of Guangzhou Zhihong Electronics Co., Ltd. (AA1 Technology Electronic Co., Limited), stands as a leading professional audio solutions provider and technology innovator. Rooted in China's audio industry, the brand is driven by the core philosophy of "technology drives innovation, and innovation leads the future" while upholding the mission "Let Music Reach Every Corner of The World".

Guangdong Weinuan Technology Co., Ltd.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Gas Water Heater, Electric Heater, Gas Wall-mounted Furnace, Smoothie Machine
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangdong Weinuan Technology Co., Ltd. Was established in 2018. Its headquarters is located at No. 6 Xinfeng North Road, Huangpu Town, Zhongshan City, Guangdong Province. It is mainly engaged in technology promotion and application services. The core products include electric wall-mounted boilers, semiconductor heaters and air-energy heat pump heating systems. We have 24 trademark information and 28 patented technologies.

Resonance Audio Equipment Co., Ltd.

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Professional power amplifier, professional audio products
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Baoding Yuanchen Transformer Manufacturing Co., Ltd.

16 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Transformer, Distribution cabinet
Country/Region:
Hebei, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
As a trusted manufacturer and exporter of power transformers, Baoding Yuanchen Transformer Manufacturing Co., Ltd. Stands out as a key player in the global power transmission and distribution equipment market. Rooted in Baoding City, Hebei Province - China's iconic "Hometown of Transformers" - we have dedicated decades to delivering high-performance, compliant, and reliable transformer solutions to clients across Africa, the Middle East, Central Asia, Southeast Asia, South America, and Europe. Our global footprint is built on a commitment to meeting international standards, adapting to regional power needs, and fostering long-term partnerships with distributors, EPC contractors, and utility companies worldwide.

Inner Mongolia Zhengbiao Jinda Cable Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Cable
Country/Region:
InnerMongolia, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Inner Mongolia Zhengbiao Jinda Cable Co., Ltd. is affiliated with Tianjin Zhengbiao Jinda Cable Group Co., Ltd. And is the only directly operated foreign trade company of Jinda Group. Tianjin Zhengbiao Jinda Cable Group Co., Ltd. Was founded in 1987 and is located in Tianjin, the largest port city in northern China. It has production bases in Tianjin, Liaoning, Heilongjiang, Shaanxi, and Shandong, with annual sales exceeding 1.3 billion US dollars. It is the largest wire and cable manufacturing enterprise in northern China. We have participated in projects such as the Beijing Winter Olympics, the Beijing Palace Museum, Tsinghua University, Tianjin Boeing Aircraft Manufacturing Factory, Tianjin FAW Toyota Factory, Qingdao FAW Volkswagen Factory, and established cooperative relationships with numerous Fortune 500 companies. Our products cover 35kV and below power cables, control cables, civilian wires, photovoltaic system specific cables, automotive cables, and other special cables. The product is sold to more than 50 countries and regions including Indonesia, Thailand, the United States, Russia, Mongolia, Zimbabwe, South Africa, etc. We guarantee to provide our customers with high-quality products and discounted prices. We look forward to working with you.

Nantong Kino Automation & Technology Co., Ltd.

Main Products:
Electric Motor, Frequency Changer, AC Motor, Electrical Switchgear Set, Gear Motor, Explosion-Proof Machine, Dust-Proof Machine, Cleaning Machine, Three-Phase Motor, Alternating Current Motor
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nantong Kino Automation Technology Co., Ltd. is located in the national-level economic and technological development zone of Nantong City, Jiangsu Province, China. Kino is very close to the famous international port city Shanghai with superior geographical conditions and convenient transportation.

Henan Automation Control Technology Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
PLC/Dcs Cabinets, Low & High Voltage Switchgear, Mns/Ggd/Gcs Low Voltage Draw-out Switchgear, Power Distribution Panel & Box, Power Transformer, Prefabricated Substation, Custom Electrical Automation Control Cabinets, New Energy Box-Type Substation, Scada Industrial Monitoring System
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We are a professional high & low voltage switchgear and industrial automation system manufacturer integrating R&D, production, customization and after-sales service. We focus on MNS/GGD/GCS low voltage cabinets, KYN28 high voltage switchgear, PLC control panels, IIoT intelligent power distribution and SCADA cloud monitoring systems for global industrial clients.

Liaocheng Ketexiangrui New Energy Co.,Ltd.

18 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Dry Type Transformer, Power Distribution Transformer, Oil Filled Transformer, Fluid Filled Transforme, Oil Immersed Transformer
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Liaocheng Kete Xiangrui New Energy Co., Ltd., established in 2009, is a wholly-owned second-tier subsidiary of Liaocheng Huarui Electric. Based in Liaocheng-known as the 'Water City of North Jiangbei'-the company has a registered capital of 100 million yuan and operates its own production base covering an area of 260, 000 square metres. Recognised as a National High-Tech Enterprise, it achieves an annual comprehensive output value of 1.2 billion yuan and is the leading full-industry-chain manufacturing base for power equipment in the western Shandong region.

Biobase Meihua Trading Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Autoclave, Chemistry analyzer, Laminar Flow Cabinet, Lab Incubator, Medical Freezer, Spectrophotometer, Centrifuge, Biosafety Cabinet
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our factory is BIOBASE, which founded in 1999, BIOBASE is a professional manufacturer whose business covers laboratory equipment, medical device, engineering project and cosmetics. With more than 3, 000 employees, 25+ factories, BIOBASE has establishedOverseas branches in USA, UAE, Singapore, Kazakhstan, India, MyanmarAnd other countries. BIOBASE has long-term business partners in 190+ countries. BIOBASE can provide one-stop solutions for laboratory and medical fields. Main products include biological safety cabinet, laminar flow cabinet, Fume hood, refrigerator & freezer, autoclave, oven, incubator, centrifuge, Wheel chair, hospital bed, IVD instrument, clean room project, etc. BIOBASE has certificates including ISO9001, ISO13485, ISO14001, ISO45001, EN12469, CE, etc. BIOBASE would like to establish win-win business cooperation withDistributors all over the world.

Guangdong Zhengchao Electric Co., Ltd.

35 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Air insulated switchgear, Gas insulated switchgear, Ring main unit, Vacuum circuit breaker
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhengchao Electric specializes in design and manufacturing of intelligent switchgear, nuclear electrical equipment, and new energy equipment. The company focuses on integrating AI, big data, 5G, and other next-generation information technologies with sensors to develop advanced intelligent electrical devices.

Guangzhou Temeisheng Audio Technic Co Ltd

7 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Loudspeaker, Amplifier, Conference System, Portable Speaker, Home Audio, Microphone
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangzhou Temeisheng Audio Technic Co., Ltd. Specializes in design and manufacturing of Public Address System (PA), Professional Audio System and Portable Speaker Series. With power amplification, loudspeaker, and PA system management engineering resources all located under one roof. Guangzhou Temeisheng Audio Technic Co., Ltd. Uniquely leverages these technologies to deliver products and systems that far outperform the sum of their parts - providing compelling solutions for audio and professional installed sound for customers worldwide. Guangzhou Temeisheng Audio Technic Co., Ltd. Advances in manufacturing and quality control processes. The company manufactures in its 8, 000 square meter, state-of-the-art factory, located in Guangzhou. Utilizing a compliment of demand planning, parts procurement, operations and logistics, computer-controlled system, and rigorous testing and control, our facility is designed with build-to-order flexibility, giving the company unprecedented ability to respond to customer needs while keeping both parts and finished goods inventory at well-maintained levels.

Dongguan Pengchi Intelligent Equipment Technology Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
Operating Room Medial Airtight Door, Medical Furniture, Laminar Flow Hoods, Medical Cabinet/ Treatment Cabinet, Frameless Modular Operating Theater, Air Handling Unit (Ahu), Automatic Steel Medical Door, Laboratory Workbench, Steel Cleanroom Door
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Pengchi Intelligent Equipment Technology Co., Ltd. is a professional  engaged company design, research and development, production, and of sales high-end rooms, laboratory operating clean supporting products, central supply rooms, and medical furniture. Its main products include buckle operating room instrument cabinets, anesthesia cabinets, drug cabinets, laminar flow hoods, automatic doors, integrated nurse stations, hospital treatment cabinets, disposal cabinets, laboratory desks supporting products such as delivery windows.  

Longran Electromechanical (Zhejiang) Co., Ltd.

Main Products:
Motor, Electric Motor, Single Phase Motor, Three Phase Motor, DC Washing Machine, Car Motor, DC Fan
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Longran Electromechanical (Zhejiang) Co., Ltd. Specializes in the production of various AC and DC motors. The main products are YE5 series ultra-efficient three-phase asynchronous motors, YE4 series high-efficiency three-phase asynchronous motors, YE3 series three-phase asynchronous motors, YL, ML series aluminum shell/ Iron shell double-value capacitor motors, YC series capacitor start motors, YY, MY series capacitor running motors, JY series motors, YS, MS series aluminum shell small power motors. JY, JW, JZ series, YEJ three-phase electromagnetic brake series, Y4EJ high-efficiency three-phase electromagnetic brake series, YLEJ single-phase electromagnetic brake series, YVP, Y2VP, three-phase frequency conversion speed regulation series, high-power DC brushless series, High-power DC high-pressure cleaning series, new energy vehicle motor series, etc. The company has strong technical force and has hired many senior engineers and a group of high-quality technical personnel. Modern equipment, high-tech management, and advanced testing capabilities are the guarantee of product quality. Quality creates excellence, and service embodies extraordinary. Joining hands with Longran to win the future is the solid concept of Longran. In line with the tenet of "seeking development with science and technology, surviving with quality", we are meticulous and keep improving" has always been our faithful commitment to serving customers. Our products sell well all over the country and are exported to Europe, South America, the Middle East and Southeast Asia. People from all walks of life are welcome. Letters from people to discuss business.

Zhejiang Ketai Safety Technology Co., Ltd

Manufacturer/Factory & Trading Company
Main Products:
Fire Extinguisher, Fire Extinguisher Cylinder, Fire Fighting Equipment, Fire Extinguisher Ball, Chemical Powder Fire Extinguisher, FM200, Fire Suppression System, Automatic Fire Extinguisher, Dry Powder Fire Extinguisher
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhejiang Ketai Safety Technology Co., Ltd. is a modern enterprise which is located in No. 59-1, Hehuatang, Mache Village, Hushan Street, Jiangshan City, Zhejiang Province, only 3 kilometers away from the city, with superior geographical environment and convenient transportation. The company specializes in the production of fire extinguishers and fire extinguisher accessories, intelligent fire extinguishing equipment. The Main products include carbon dioxide fire extinguisher, Sevofluoropropane fire extinguisher, water-based fire extinguisher, dry powder fire extinguisher and flame sense, temperature sense, infrared detection and other intelligent fire extinguishing equipment. The company was established in December 2020. Since its establishment, through the introduction of talents, new equipment and new technology, it has continuously increased product development, technological transformation and independent innovation, and won more than 10 national patents; In August 2023, 12 products of the company have passed the CE certification of TUV Company, and the products obtained the sales right of EU. The company has complete production equipment, advanced testing instruments, more than 100 registered employees, a factory area of more than 30, 000 square meters, and an annual output value of more than 50 million yuan. The company works closely with domestic universities, Cooperate with the University of electronic science and Technology to establish an enterprise doctor station, and constantly develop new products adapted to the local market. The company's temperature and flame sense spherical fire extinguishing products are favored by the market because of their convenience to throw and launch, and suitable for long-distance fire extinguishing characteristics. In addition, the company also pays attention to the integrity of management, according to customer needs to launch personalized product customization, so as to maximize the interests of customers, focusing on the Middle East market, and successfully expanded the products to more than 50 countries in West Africa, Latin America, Eastern Europe and other countries and regions.

Dongguan Pure-Air Tech Co., Limited

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Dust Collector, Fume Extractor, Laser Fume Extractor, Welding Fume Extractor, Soldering Fume Extractor, Explosion-proof Dust Collector, Nail Dust Collector, ESD Fume Extractor, Grinding Dust Collector
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Dongguan Pure-Air Tech Co., Limited has well expertise in the field of fume extraction, dust collection and oil mist purification. We specializes in technology research and development, production, sales and service of fume extraction systems. Through bring in the European advanced indoor air purification and filtration technology, relying on high-quality professionals, we always focusing on the quality of indoor air purification work.

Shinefar Solar Co., Ltd

4.0
Main Products:
Solar Panel, Solar Inverter, Hybrid Solar System, on Grid Solar System, off-Grid Solar System, Lithium Battery, Solar Water Pumping System, Solar System Accessories, Mounting Bracket, Cable and Mc4
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shinefar Solar Co. Is a collaborative venture between Hangzhou Xulin Photovoltaic Technology Co. And Shinefar UK Co. We specialize in manufacturing high-quality photovoltaic modules. Our advanced production facilities span over 3.5 hectares in the Zheneng Intelligent Industrial Park in Huzhou, Zhejiang. With an annual production capacity of 3GW, we offer a wide range of modules, including PERC, N-type TOPCON, and HJT modules.

Xuzhou Zhongtie Electric Co., Ltd.

21 yrs
·Manufacturer/Factory & Trading Company
Main Products:
KYN Indoor Withdrawable Switchgear, MNS Low Voltage Switchgear, Wind-Solar Storage Inverter and Boosting Integrated Machine, Box Type Substation, Transformer, Diesel Generator, SF6 Gas Insulated Ring
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xuzhou China Railway Electric Group Company, founded in 1992, is a joint-stock enterprise invested by the former railway bureau. It is now located in Xuzhou National Economic and Technological Development Zone, close to Beijing-Shanghai High Speed Railway, Beijing-Fujian High Speed Railway, Lianhuo High Speed Railway and National Highway 104, 206 and 310, and Guanyin Airport is 30 kilometres to the east, which makes the traffic very convenient.

Fujian Super Tech Advanced Material Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Vacuum Insulation Panel
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Fujian Super Tech Advanced Material Co., Ltd., founded in 2007, is a manufacturing enterprise of vacuum insulation panel (VIP), VIP-based vacuum insulated box and barrier film for VIP. We are devoted to offer the optimum products of perfect thermal insulation and energy efficiency such as refrigerators, freezers, vending machines, vacuum insulated boxes.

FUTAI PURIFICATION TECH (JIANGSU) CO., LTD

25 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Fan Filter Unit, Filter, HEPA Box, Pass Box
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
FUTAI PURIFICATION TECH (Jiangsu) Co., Ltd was established in 2002, with its headquarters located in Suzhou, Jiangsu province. It has 50000 square meters of housing and has been deeply engaged in the field of air purification for more than 20 years. With strong technical expertise and innovative capabilities, the company holds a leading position in the air purification industry.

Biobase Biozone Co., Ltd.

10 yrs·4.7
·Manufacturer/Factory & Trading Company
Main Products:
Refrigeration Equipment, Autoclave, Chemistry Analyzer
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Biobase Biozone Company Limited is established in 2017, BIOBASE is a professional manufacturer whose business covers laboratory equipment, medical device, engineering project and cosmetics. Founded in 1999, BIOBASE is a professional manufacturer whose business covers laboratory equipment, medical device, engineering project and cosmetics. With more than 3, 000 employees, 25+ factories, BIOBASE has established overseas branches in USA,  UAE,  Singapore,  Kazakhstan,  India and other countries. BIOBASE has long-term business partners in 190+ countries. BIOBASE can provide one-stop solutions for laboratory and medical fields. Main products include biological safety cabinet,  laminar flow cabinet,  fume hood, refrigerator & freezer, autoclave, oven,  incubator, centrifuge,  wheel chair, hospital bed,  IVD instrument,  clean room project, etc. BIOBASE would like to establish win-win business cooperation with distributors all over the world. Biobase Biozone will provide you quality products and offer training service on the installation and maintenance of all of the products. Especially our engineers are experienced on hands-on design, testing and troubleshooting. Biobase Meihua will continue to explore and exploit bravely against the torrent of difficulties, and have the confidence to build a heathier and brighter future for global customers.