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Kunshan WonderTek Technology Co., Ltd. is one of the leading developers and manufactures in the world specialized in PLC (Power Line Communication) network products. Industrial Wi-Fi& Industrial Switch. We are dedicated to create the popular products with competitive price and advanced high-tech products through its owning features just as PLC technical advantages, integrated environmental protection and energy saving etc...Our business philosophy is to make your life more interesting and convenient.

Cooltechx: Global Leader in Industrial & Precision CoolingCooltechx is a premier manufacturer of industrial air conditioners, energy storage thermal management systems, and precision cooling solutions. With 20+ years of innovation, 3 advanced manufacturing bases (Qingdao, Suzhou, Shenzhen), and exports to over 50 countries, we empower industries to optimize energy efficiency, ensure system stability, and support the global transition to a low-carbon future. Sustainability at Our CoreOur mission is to accelerate carbon neutrality through high-efficiency cooling technologies. We design products that integrate: Eco-friendly refrigerants (R134A, R513A, R454B)Energy-saving performance (up to 35% power savings)Clean energy compatibility (solar and wind ready)All core products are CE, UL, RoHS, ISO9001 certified and tested in our in-house enthalpy lab to simulate real-world performance under diverse environmental conditions. Energy Storage Thermal Management SolutionsTo meet the cooling demands of the fast-growing BESS (Battery Energy Storage System) industry, Cooltechx offers both air-cooled and liquid-cooled thermal management systems, specially designed for: Containerized lithium battery systems (LFP, NMC)C&I energy storage cabinetsOutdoor grid-connected unitsKey benefits: Intelligent temperature control from -20° C to +50° CRemote monitoring via RS485 / ModbusFlexible installation: Wall-mounted, rack-mounted, or integratedIP55/IP65 protection for outdoor deploymentsModels range from 1kW to 70kW+ cooling capacityOur systems are widely used in energy projects across the Middle East, Southeast Asia, and Europe. Precision Cooling for Data CentersCooltechx delivers mission-critical cooling for edge, modular, and hyperscale data centers, including: In-row cooling unitsRoom-based CRAC/CRAH systemsMini cooling units for edge computing and micro DCsRedundant N+1 configurationsWe also offer fluorine pump cooling technology, designed for ultra-high energy efficiency and low PUE. This solution significantly reduces power consumption in large-scale deployments while maintaining precise control over temperature and humidity (± 0.5° C / ± 5% RH). High-Precision Cooling for Sensitive ApplicationsWe also engineer custom precision cooling systems for: EV battery and inverter cabinetsMedical device enclosuresTelecom and 5G edge computing sitesIndustrial automation control panelsOur thermoelectric and inverter-based cooling units deliver: Compact sizes with high cooling densityLow-noise, low-vibration performanceDigital control and smart diagnosticsLong lifecycle (MTBF > 100, 000 hours)Smart Manufacturing + Global ServiceCooltechx's facilities operate under lean manufacturing and Industry 4.0 principles. We partner with world-class suppliers (Emerson, Schneider, Siemens, Infineon), and offer: OEM & ODM customizationGlobal delivery within 2-20 working daysOn-site installation, training & commissioning24/7 multilingual tech supportEvery product undergoes airtightness tests, full-process QA, and re-testing in our enthalpy lab, ensuring high durability even in desert, coastal, or high-altitude environments. Key Facts20+ years of engineering experience3 R&D + manufacturing bases in ChinaExported to 50+ countries100+ patents and proprietary technologiesUL, CE, ISO9001, RoHS certifiedIP54 / IP55 / IP56 / IP65-rated productsCooling capacity from 300W to 70kW+Cooltechx - Cooling Smarter. Powering Progress. Greening the Future.

Beijing Dehe Technology Co., Ltd. Was founded in 2007. Since its establishment, the company has been dedicated to the construction of IT information platforms, while acting as an agent for the sales of high-quality products from many well-known domestic and foreign enterprises. It has accumulated profound experience and gained an excellent reputation in the industry. In 2025, the company continued to expand its business scope, successfully introducing the full range of wireless products from Skywave and Longxi Energy Soothing Lotion from Beijing Chenlongxi Biotechnology Co., Ltd. It has become the general distributor of these two outstanding products, further enriching its product matrix and providing customers with more comprehensive and diversified choices and services. In the future, Dehe will continue to uphold the spirit of professionalism. While deeply cultivating the IT information field, it will constantly enrich its product matrix. Relying on the newly added product line of Longxi Energy Soothing Lotion, the company will continuously improve service quality and strive to create greater value and better services for the market and customers. Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Qingdao ChengZhi United Tech Power Engineering Co., Ltd locates in Laoshan, Qingdao, China. We have workshop named Qingdao Chengzhi Power Equipment Co., Ltd which is located in Jiaozhou, Qingdao, China, and also we have maintenance workshop in Chengdu city, China. It covers an area of 2000 m2. Our fixed assets are about 40 million RMB, and we have 32 tons High Speed Balancing Machine (Full set of German Schenck) and 20 tons Low Speed Balancing Machine and other Aux precision equipment.

SHG is aiming to manufacture quality warranty CATV & Optical fiber products, include communication cables & wires, researching and developing optical equipments, CATV equipments and headend equipments and network accessories. With ISO9001: 2000 certification, also achieved some international certificates such as ETL, CE, RoHS, REACH.

Founded in 2020, Guangdong Dingling Intelligent Technology Co., Ltd. Evolved from Jiangmen Pengjiang Fugang Hardware & Electrical Co., Ltd., established in 1985. As a comprehensive technology enterprise, it specializes in intelligent manufacturing network cabinets, data centers, CNC mechanical enclosures, energy storage equipment such as charging piles, and professional lighting products.

Shanghai Xinben Information Technology Co., Ltd.

Zibo Jinhe Fan Co., Ltd. Was established on June 6, 2003, with its registered address in Wujia Village, Nanjiao Town, Zhoucun District. The legal representative is Wang Lindong. The business scope includes the design, manufacturing, and sales of fans, heads, pipeline descaling devices, and mining electromechanical equipment; Technical transformation, research and development, and consulting of fans and energy-saving equipment; Production and sales of explosion-proof electrical appliances; Pipeline descaling service; Maintenance of fans and accessories; Mechanical equipment engineering installation and maintenance; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)

FATECH ELECTRONIC Co., Ltd., is located in Guangdong Provincial New Light Production Base, China, which is a professional manufacturer on R&D and producing on lightning and surge protection devices. Our company gathered all kinds of high-skillled personnels, including authority technical experts and professionals, and excellent technicians with more than 10 years experience.

Zhuhai Telehof Electrics Company Limited is a British-owned company, mainly engaged in research, designing, manufacturing and sales of Surge Protective Devices. It has more than 30 years in the industry. A lightning protection product enterprise with almost complete and have variety of lightning protection in the domestic lightning protection industry. At present, it has successfully developed a full series of BT series and BS series products that meet international standards, and has been successfully introduced to Europe, America, Africa and other international markets. Our company has passed the ISO 9001: 2015 quality management system certification and awarded high-tech enterprises. 2 invention patents have been authorized for intellectual property rights, 8 are still under trial, and 24utility model patents have been authorized. In fact, we have obtained KEMA, TUV, CE, CB, and RoHS certification.

· We are a leading fencing manufacturer

Jiangsu Datangweishi Technology Co., Ltd. is a company specializing in the production of network server cabinets, PDU cabinet sockets, KVM switches, integrated modular computer rooms, shielded cabinets, and comprehensive cabling products. Since its establishment, the company has been continuously researching and developing network cabinets, server cabinets, PDU cabinet sockets, KVM switches, integrated modular computer rooms, shielded cabinets, comprehensive cabling and other products that meet market demands. Guided by the concept of creating an excellent brand within the same industry, and taking customer needs as the pursuit of Datangweishi, the company adheres to the philosophy of taking conceptual innovation as the guide, strategic innovation as the direction, organizational innovation as the guarantee, technological innovation as the means, and market innovation as the goal.

Chang Song Electric Co., Ltd. Founded in 1995, with more than 35000M2 manufacturing space, 260 employees, it becomes one of the leading manufacturer of industrial electric product in China. As well as one of the earliest factories in the line with nearly 20 years experience in producing and developing for electric equipment.

Zhejiang Zhongneng Electrical Co., Ltd., located in Zhejiang Province, is the key medium/high voltage electric productive enterprise of FATO Mechanical and Electrical Equipment Group Co., Ltd.And a provincial advanced enterprise, mainly producing 220kV and below high voltage electro ceramic products, especially lightning arrester series, composite insulator series and drop-out fuse cutout series, and low-voltage surge protective device series.Our products have complete testing devices and strict quality and production management systems.Our products are known for the characteristics of solid power, advanced science and technology, considering service and solid quality.Moreover, for some core products, we have the independent intellectual property right.

Shanghai Sosin Electronics (EMCSOSIN)/ Shanghai Shinegil is a leading high-tech enterprise that specialized in R& D, manufacturing, selling EMC test equipment and service providing. We've been committed to the electromagnetic compatibility (EMC) testing field, offering professional equipment which are widely used in electronics manufacturing, electric power, new energy, telecommunication, aerospace, teaching, renewable energy, automotive and other industries, as well as scientific research. We also provide customers with professional EMC system integration solutions.

Shanghai Prima Electronics Co., Ltd. Which is registered as a high-tech enterprise by Shanghai Science Committee, locates in JiuFu economic develop zone of Shanghai. Prima provides professional EMC testers with consolidated function as research, production, sales and service. Prima has been certified by TUV ISO9001: International standard quality system, and such quality system requirements has been carried out through related production process thoroughly. Prima continues to build up brand by focusing on self management and provide better service. Employee is treated as the core competitiveness of Prima, more than 90% employee are university graduated with rich experience in both product and industry. Technical strength of Prima promises continuous improvement in technical solution and excellent after-sale service.

1. Geographical Location and Environment:  

Zhejiang Leiertai protection Technology Co., Ltd is a research and development, design, production and sales in one of the lightning protection high-tech enterprises, the company has strong technical strength and production equipment, and constantly develop new lightning protection products. The company has developed six series of power supply lightning protection box, power supply lightning protection module, computer network lightning protection device, video and monitoring system lightning protection device, antenna feed line lightning protection device, audio line lightning protection device, about 160 varieties, in order to meet customers' various lightning protection needs.

Zhejiang SHIJEE Electric Technology Co., Ltd. is a high-tech enterprise specializing in the field of solar accessories, integrating research and development, manufacturing, and sales. We are committed to providing high-quality, reliable, and safe low-voltage electrical products and system solutions for the global new energy photovoltaic industry.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

1. Company Profile

Marstars is one of the leading manufacturers that specialize in Research and Development (R&D), Production and Marketing of Optoelectronic and Networking products in Mainland China.

Dkline products covered by a insulators, surge arresters, drop out fuse, air break switch, load break switch, overhead line fittings, stay materials, earthing materials and enclosures, is a research and development, manufacturing, sales and service in one of the competitive transmission and distribution system service providers.

Thor is all about protecting against the damaging effects of power transients. It is our goal and mission to connect our customer challenges with high-quality, right-priced solutions and products - completed by unrivaled customer service and technical support.

Yueqing Xianglang Electric Co., Ltd. Has more than ten years of experience in the solar accessories industry and has been committed to the manufacturing and research and development of solar products. The company's factory covers an area of 10, 700 square meters and has an annual output value of more than 20 million US dollars. The company specializes in the production of miniature circuit breakers, SPDs, fuses, solar connectors, cable connectors, distribution boxes and combiner boxes, and has CE, TUV, IEC and ISO9001 certifications. We can produce 300, 000 solar connectors every day, because we have 31 fully automatic injection molding machines and 15 solar assembly machines. We can produce 50, 000 surge connectors per week. Every surge connector accessory and all production links are produced by ourselves, from injection molding to spot welding, soldering, glue filling, assembly, and packaging. We can produce 10, 000 circuit breakers per day and 50, 000 solar fuses per week. We also complete all the processes from injection molding to finished products. We are not only a first-class manufacturer of solar accessories in China, but also one of the largest manufacturers of plastic distribution boxes and junction boxes in China. We have a total of 13 series of distribution boxes and junction box products, including IP30 HAG series, IP40 MS MF household distribution box, IP65 HT HA HAX PN solar distribution box, IP66 KG BG MG distribution box, IP65 RA RT junction box, IP67 AG DG Junction box, there are 150 kinds of distribution boxes, 356 kinds of injection molds and 31 injection molding machines, more than 100, 000 PCS distribution boxes are produced every month, and there is sufficient inventory, such as 8way distribution boxes, the current inventory is more than 50, 000 PCS, our most advantageous product is our solar combiner box, because all the accessories inside are produced by ourselves, cable connectors, solar connectors, distribution boxes, circuit breakers, fuses and surges, the individual products themselves can already be the lowest price of the same quality in the market, then our combiner box is even more cost-effective, each of our products is strictly quality controlled and tested. Yueqing Xianglang Electric Co., Ltd. Has more than 10, 000 project experience and has won a reputation for high-quality products, competitive prices, timely delivery and excellent after-sales service. We look forward to establishing a long-term partnership with you and growing together.

DFC Pressure Vessel Manufacturer Co., Ltd. Founded in 1984 located at Shijiazhuang city Heibei Province, 250km from Beijing.

CNC Electric is one of the leading manufacturer, specialized in manufacturing industrial electrical appliance, is a national large-scale enterprise integrated with R&D, manufacturing, trade and service, etc. CNC Electric was founded in 1988, which became a nationwide non-regional enterprise group in 1997. It mainly deals in high-low voltage electrical equipment, whole set, instrument and meters, explosion-proof appliances, building electrical appliances, power transformers, with more than 600 product series and 30, 000 specifications. Meanwhile, its commercial fields also cover real estate, investment, energy, logistics, information and other industries.

LINK is a professional Manufacturer of Structured Cabling systems and FTTX products, has been manufacturing and exporting in this field for over 20 years. We opened our own metal fabrication and manufacturing plant to ensure each and every products has met the rigorous standards.

Our main products include various series of circuit breaker, Distribution box, Waterproof Series and electrical related products. Our company was founded in 2014, and the foreign trade department was founded in 2019, with a history of many years in the electrical industry. Near Ningbo and Shanghai, we enjoy convenient land, water and air transportation.

Zhengzhou Qiyang Technology Co., Ltd is a high-tech enterprise specializing in the R&D, production and services of industrial touch panel PCS, industrial LCD monitors, industrial fanless mini PCS, ARM industrial all in one PCS, explosion-proof computers and military reinforced laptops. Products are widely used in military, telecommunications, metallurgy, transportation, power, railway, aviation, communications, finance, network, medical, machinery manufacturing, precision instruments and other fields. Our products are exported to dozens of countries in Southeast Asia, Australia, the Middle East, Europe and North America.