ac sampling1,000+ factories verified

TUNKIA Co., Ltd. is a unique company with top R& D strength in electromagnetics in China. Since its founding in 1998, Changed its name to TUNKIA in 2006. TUNKIA focus on electromagnetic measurement technology, gathered more than 360 personnel all over the world.

Qingdao Lubei Environmental Protection Group Co., Ltd. is a comprehensive high-tech enterprise integrating environmental protection research, design, production, maintenance, sales, and system integration. Its instrument product line is very comprehensive, covering five major categories: Gas/flue gas detection, water quality analysis, dust/atmospheric sampling, soil monitoring, and general laboratory instruments.

LDNIO, the main cell phone charger supplier in China, was founded in 2002. It is focused on the R&D of differernt kinds of chargers such as mobile phone chargers, car chargers, wall chargers and power sockets. We follow the principle of "High quality, Technology leadership, Precision production". LDNIO know charger more.

Beijing GFUVE Electronics Co., Ltd. Was established in 2005. It combined science, industry and trade together as one high-tech enterprise. GFUVE mainly produces split core current transformer, high voltage ammeter recorder, IEC61850 test suite software, meter test equipment, current probe, reference standard meter, phantom load power source, electrical measurement instrument, relay test set, transformer test, CT analyzer, Test equipment, and power meter, power analyzer, intelligent digital meter, transducer, handheld terminal and split core current transformer, voltage transformer and current transformer models etc.

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.

Shandong Dongheng Engineering Co., Ltd.: An Outstanding Partner in the Engineering Field

Hongsheng Geological Exploration Co., Ltd. is expertising in manufacturer of Core Drilling Rig, Water Well Drilling Rig, Reverse Circulation Drilling Rig, spare parts and consumable as well as running geological exploration team. Hongsheng founder has been working on geological exploration business in China for more than 20 years, quite familiar with Geo_techincal Institute and exploration team and mining industry.

Rizhao Zhongsheng Machinery Co., Ltd. is a national-level technology-based SME integrating the R&D, production, sales and after-sales service of professional drilling equipment. Fuqian International Trade Co., Ltd., is dedicated overseas service subsidiary, to support global business operations.

Western exploration equipment

Beijing Future Secure Electronic Technology Co., Ltd. Was established in April 2009 in Zhongguancun Fengtai Science Park, is located in Room 402-1, Building 2, No. 15 Courtyard, Nanyuan Road, Fengtai District, Beijing, China with a registered capital of RMB 108, 000, 000. It is a high-tech enterprise as well as a national little giant firm integrating R&D, production, sales and service, which serves the electric power industry.

Suzhou Pharma is one of the leading turnkey project providers for pharmaceutical, food, herbal, cosmetic, electronics factory and chemical plants.

Henan Yugong Machinery Equipment Co., Ltd., located in Zhengzhou City, is specialized in machinery in China over 20 years. Our company focuses on research and development, production and sales of mining, tunnel construction, road and bridge construction equipments and so on. Our products include equipments of different fields, highways, bridges, tunnels, culverts of metros, mining, coal mines and non-coal mines. 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 Bohwa Machinery Corporation (Former Name: Bohwa Machinery Corporation), located in Qingdao, Shandong Province, China, is an exporter and supplier of various drilling & mining machinery, equipments and tools since year 2008.

Chongqing Advanced Technology Co., Ltd. is a professional supplier which is committed to offer best testing equipment from China for our clients, and our main products are fire testing equipment, petroleum products testing equipment, electrical testing equipment and general laboratory instruments.

Shandong Auchi specialized in manufacturing high quality light construction equipments including mini intelligent excavators, Water well drilling machinery and all construction machinery. We are committed to provide excellent products and super service to customers in world wide. We keep focusing on innovation, integrity, contribution to society, benefits to employees. Welcome customers around the world come to visit us and achieve win-win cooperation. We integrate designing, manufacturing and sales service together.

Suzhou HJClean Tech Co., Ltd was established in 2004 in Suzhou, Jiangsu Province, the home of purification in China. It mainly produce equipments and instruments of clean room deals in business of clean room projects for pharmaceutical factory, laboratory, medical organization etc...

Shandong Pailien Machinery Manufacturing Co., Ltd., established in 2015, is a well-known comprehensive enterprise integrating product R&D, manufacturing, sales, and service. Through the development of a professional and international brand marketing and service system, the company strives to become an industry-leading brand. Actively responding to Shandong's "Smart Manufacturing" policy, the company invested 80 million yuan to establish the Pailien Intelligent Industrial Park. This initiative aims to promote regional industrial upgrading through core technological innovation and empower high-quality enterprise development. The company adheres to the development philosophy of "empowering technology, winning with quality, and setting industry benchmarks" and continuously increases its R&D investment. The company has obtained ISO9001 international quality certification, AAA-level quality management system certification, and is a national AAA-level demonstration unit for quality, reputation, and service. It has also obtained 3A-level credit enterprise certification, Shandong Province's contract-abiding and credit-worthy enterprise certification, CE European safety certification, and SGS testing certification, establishing itself as a comprehensive service enterprise characterized by professionalism, refinement, distinctiveness, and innovation. The company offers over 80 types of equipment in over 500 specifications and models, providing supporting products and customized services to numerous complete machine manufacturers. It is widely used in national key units such as China Railway, China Construction, China Communications Construction and many local highway bureaus across the country, providing construction solutions for a variety of engineering equipment. Its customers are spread across more than 30 provinces, cities and regions across the country, and its products are exported to more than 60 countries and regions around the world, including the United States, Japan, Germany, Africa, Malaysia, etc.

SHP is a manufacturer of cleanroom with well-equipped testing facilities and strong technical force.

Shanghai IVEN Pharmatech Engineering Co., Ltd., established in 2005, is a professional manufacture of the pharmaceutical machinery, also is a professional engineering company with rich experience in the pharmaceutical and medical industry. We've exported thousands of equipment to over 70 countries, provided more than 30 integrated solutions and turnkey projects for our customers from all over the world.

Guangdong Guangce Instrument Technology Company Limited, located in Dongguan City, is a technology-based private enterprise engaged in research and development, production, OEM and sales of scientific and technological equipment manufacturing. Our company has 15 years of production experience, has various software and hardware design and research and development capabilities, and also have experienced and high-quality technical team and professional sales team. GuangCe's main business includes plastic physical properties, mechanics, environmental reliability, aging, and flame retardant testing instruments, among which the annual output of plastic polymer physical properties testing instruments ranks among the top in the country. And our products comply with GB, ASTM, ISO, JIS, EN, DIN, UL and other testing standard.

Shandong Flex Machinery Co., Ltd is a comprehensive enterprise integrating R&D, manufacturing, sales, and international trade. It owns two brands: Shandong Flex (FLKS) and Linyi Mingsheng Heavy Industry (MSD). Our main products include water well drilling rigs, hydraulic drilling rigs, core drilling rigs, drill pipes, drill bits, down-the-hole hammers, air compressors, and mud pumps. Our products are widely used in geological exploration, mining, water conservancy projects, construction engineering, and many other important fields, and are highly trusted by our customers.

Hebei Zehong Technology Co., Ltd. is located at No. 1, Qinggong Road, Xibaipo Economic Development Zone, Pingshan County, Shijiazhuang City, Hebei Province. It is a high-tech enterprise specializing in the research, development, production, and sales of gas detection and analysis instruments.  Leveraging its technological advantages, the company is committed to the development and production of safety and environmental monitoring products, and has established long-term technical cooperation relationships with numerous domestic and international research institutions.

Marya is a professional aseptic filling line manufacturer with turnkey solutions. With 12 years of industry experience, we have independently developed a comprehensive range of filling lines, including cartridge, vial, and pre-filled syringe (PFS) filling lines. In addition, we offer self-developed supporting equipment such as isolators/RABS, solution preparation systems, and water treatment systems, and VHP sterilizers. Our capabilities also extend to providing turnkey solutions for cleanroom projects and complete filling production lines. We have expanded business to over 70 countries worldwide, serving clients covering European, American and other mainstream markets, including renowned pharmaceutical enterprises and official governmental institutions. Centered around professional filling line technology, we are committed to delivering aseptic production lines and solutions that are stable, compliant, and efficient.

Yancheng Haide Machinery Manufacturing Co., Ltd. is engaged in all kinds of precision hydraulic machinery, leather machinery, shoe machinery, rubber machinery and plastic machinery development and production enterprises. A beautiful environment, convenient transportation, is located in known as' China shoe town "reputation of the Jiangsu Province, Yancheng City Dagang Development Zone, Ningjingyan expressway, Ning salt roads throughout the township level, It is 1.5 kilometers away from the entrance and exit of the Ningjingyan Expressway, and only 20 to 30 kilometers east of Yancheng Airport, port, high-speed railway station and National Highway 204.

Dongguan Chao Qiang Electronic Technology Co., Ltd. ("Chao Qiang Electronic") is located in Dongcheng District, Dongguan City, Guangdong Province, is a professional manufacturer of security equipment, metal detection equipment outstanding enterprises. Enterprises with strong technical force and advanced production equipment, into the design, development, production, sales, and service in one of continuous product improvement and innovation.

Established in 2007, Shenzhen Jinfengsheng Electronic Co., Ltd. is a professional manufacturer specializing in customized wire harnesses and connecting cables. As a national high-tech enterprise, we have accumulated more than 18 years of production and R&D experience in the wiring industry.

Wuhan Huadian Hi-Tech Electrical Equipment Co., Ltd. (abbreviated as Huadian Hi-Tech), established in 2007 through the corporatization restructuring of the tertiary subsidiary of the former Wuhan High Voltage Research Institute, is a high-tech enterprise. Its predecessor, Wuhan High Voltage Research Institute Huadian Electric Company, founded in 1991, was among China's earliest manufacturers of high-voltage testing equipment.

Jining Hengwang Mining Machinery Co., Ltd., founded in 2011 with a registered capital of one hundred million yuan, is located in the cultural city of Shandong Jining, known as the "Canal Capital" and the birthplace of Confucius and Mencius. The factory covers an area of 100, 000 square meters and currently employs over 1, 000 people. It is a national high-tech enterprise integrating product research and development, design, manufacturing, international trade, e-commerce, and logistics transportation.

Jiangxi Victor International Mining Equipment Co., Ltd. is a large mineral processing manufacturer which is specialized in designing, producing, installing and debugging as well as providing processing line design and course training of mineral processing. Presently our company is a large manufacturer in China, with covering an area of 48, 000 square meters and 20, 000 square meters for workshop, with various large modernized machinery facilities, professional R&D team and installation team.

HAOMAI Electric Power Automation - Expert in Relay Testers & CT AnalyzersCompany OverviewWuhan HAOMAI Electric Power Automation Co., Ltd. (brand: Relaystar) is a leading manufacturer of relay protection testers, CT analyzers, and power testing equipment. Established in 1999, HAOMAI specializes in high-precision devices for utilities, substations, and industrial power systems.