Updated Aug 12, 2026 · Public platform & industry data

Aug 12, 2026 Updated

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2026 Top 10 Sz Manufacturers in China

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Top-rated Sz suppliers, How to choose a Sz manufacturer, Best Sz companies in China

The top 10 Sz manufacturers in China for 2026 are: China Electric Transformer Co., Ltd, Shanghai Hongshuda Plastic Raw Materials Co., Ltd, Nanjing Yiruoda Instrument Equipment Co., Ltd, Zhongzhong Intelligent Equipment Co., Ltd, Dongguan Tianzhihong Plasticization Co., Ltd, Shanghai Mingxiang International Trade Co., Ltd, Shandong Zhongzhong Intelligent Technology Co., Ltd, Huakuang Design and Research Institute (Jining), Shenzhen Zhongxin Juneng Electronics Co., Ltd, Shandong Haozhou Mining Safety Equipment Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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China Electric Transformer Co., Ltd
Overall Score4.9 / 5
Est. Date2014-11-03
Registered Capital160000K CNY

Zhongdian Transformer Co., Ltd., with its registered address at No. 10 Zhonghuan Avenue, Binjiang Economic Development Zone, Jiangning District, Nanjing City, is registered with the Nanjing Municipal Administration for Market Regulation. The legal representative is Zhang Haibin, and its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of mechanical and electrical equipment; Research and development of efficient and energy-saving technologies in the power industry; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of mechanical and electrical equipment; Research and development of distribution switch control equipment; Manufacturing of electrical accessories; Electrical equipment repair; Rolling and processing of non-ferrous metals; Import and export of goods; Technology import and export; Information technology consulting services; Energy storage technology services; Manufacturing of new energy prime mover equipment; Sales of new energy original equipment; Sales of power electronic components (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Sz, Dry-Type Transformer, Explosion Proof Transformer

Top 2
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Shanghai Hongshuda Plastic Raw Materials Co., Ltd

Zone S, 1st Floor, Building 1, No. 15, Lane 588, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai

Overall Score4.7 / 5
Est. Date2026-04-17
Registered Capital5000K CNY

Shanghai Hongshuda Plastic Raw Materials Co., Ltd. is located in Zone S, 1st Floor, Building 1, No. 15, Lane 588, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai. It was established on April 17, 2026 and registered with the Qingpu District Market Supervision Administration. The legal representative is Li Xiulin. Core products: Sz, Connector, Innovative Plastics

Top 3
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Nanjing Yiruoda Instrument Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2014-08-08
Registered Capital5000K CNY

Nanjing Yiruoda Instrument Equipment Co., Ltd., with its registered address at Room 505, Building 6, No. 99 Yulan Road, Yuhuatai District, Nanjing City. The registration authority is the Yuhuatai District Administrative Approval Bureau of Nanjing City, and the legal representative is Zhang Hailing. Its business scope includes the sales and after-sales service of instruments, teaching equipment and consumables, electronic products and accessories; Sales of medical equipment, environmental testing equipment and accessories, optical instruments, laboratory equipment, analytical instruments, and testing instruments. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sz, Microplate Reader, Pcr Instrument

TOP4
Zhongzhong Intelligent Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2018-11-14
Registered Capital50000K CNY

Zhongzhong Intelligent Equipment Co., Ltd., with its registered address at Room 2108, 21st Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Xiao Xuexue, and the business scope includes general projects such as mining machinery manufacturing; Intelligent basic manufacturing equipment manufacturing; Manufacturing of intelligent instruments and meters; Manufacturing of mechanical and electrical equipment; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of specialized machinery for tunnel construction; Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized equipment for geological exploration; Manufacturing of mobile terminal devices; Manufacturing of industrial automatic control system devices; Sales of mining machinery; Sales of intelligent basic manufacturing equipment; Sales of intelligent instruments and meters; Sales of mechanical equipment; Sales of railway transportation infrastructure equipment; Production of chemical products (excluding licensed chemical products); Production of fireproof sealing materials; Mechanical equipment research and development; Engineering and technical research and experimental development; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Installation services for ordinary mechanical equipment; Specialized equipment repair; Technology import and export; Import and export of goods. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Sz, Supporting Equipment, Large-Scale Equipment

TOP5
Dongguan Tianzhihong Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2017-12-12
Registered Capital1880K CNY

Dongguan Tianzhihong Plasticization Co., Ltd., with its registered address at 611 Shuzhao Street, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. Its legal representative is Niu Xinmei, and its business scope includes sales and research and development of high-performance film materials, plastic raw materials, chemical raw materials (excluding hazardous chemicals), plastic products, plastic additives, and plastic machinery; Import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sz, Pom, Standard Material

TOP6
Shanghai Mingxiang International Trade Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-21
Registered Capital10000K CNY

Shanghai Mingxiang International Trade Co., Ltd., with its registered address at Building 5, No. 936 Guoshun Road, Nanqiao Town, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Liao Rihong as its legal representative. Its business scope includes licensed projects such as technology import and export; Import and export of goods (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General projects: domestic trade agency; Sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products) (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law).. Core products: Sz, Fiberglass, Lighting Fixtures

TOP7
Shandong Zhongzhong Intelligent Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2022-03-10
Registered Capital10000K CNY

Shandong Zhongzhong Intelligent Technology Co., Ltd., with its registered address at Block A, 4th Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xiao Shiyue, and the business scope includes general projects such as engineering and technical research and experimental development; Mining machinery manufacturing; Sales of mining machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales; Sales of intelligent instruments and meters; Manufacturing of intelligent instruments and meters; Sales of intelligent basic manufacturing equipment; Intelligent basic manufacturing equipment manufacturing; Sales of railway transportation infrastructure equipment; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of railway transportation infrastructure equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Sz, Instrumentation And Meters, Chemical Industry

TOP8
Huakuang Design and Research Institute (Jining)
Overall Score4.5 / 5
Est. Date2020-04-26
Registered Capital1000K CNY

Huakuang Design and Research (Jining) Institute, with its registered address at Room 809, 8th Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, China. The registered authority is the Market Supervision Administration of Rencheng District, Jining City, and the legal representative is Wang Chen. Its business scope includes research and development, design, production, and sales of mining machinery, railway equipment, and intelligent equipment; Construction of smart mining system; Development and sales of computer software and hardware. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sz, Support Category, Road Machinery

TOP9
Shenzhen Zhongxin Juneng Electronics Co., Ltd
Overall Score4.3 / 5
Est. Date2011-08-25
Registered Capital10000K CNY

Shenzhen Zhongxin Juneng Electronics Co., Ltd., with its registered address at 19K, Block A, Huaqiang Plaza, No. 1019 Huaqiang North Road, Huahang Community, Huaqiang North Street, Futian District, Shenzhen, is registered with the Shenzhen Market Supervision Administration. The legal representative is Chen Jiaxin, and its business scope includes general business projects such as technology research and development of electronic products, electronic components, and electronic integrated circuits, as well as sales of circuit boards; Domestic trade (excluding projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council); Engage in import and export business (excluding projects prohibited by laws and administrative regulations; projects restricted by laws and administrative regulations must obtain a license before operation). What are the licensed business projects. Core products: Sz, Memory Chip, Rf Chip

TOP10
Shandong Haozhou Mining Safety Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2009-02-16
Registered Capital3000K CNY

Shandong Haozhou Mining Safety Equipment Co., Ltd. is registered in Daolang Village, Daolang Town, Daiyue District, Tai'an City, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Daiyue District, Tai'an City, and the legal representative is Wang Chengyong. Its business scope includes general projects such as mining machinery manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of hydraulic power machinery and components; Manufacturing of construction machinery; Manufacturing of industrial control computers and systems; Manufacturing of industrial automatic control system devices; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of instruments and meters; Manufacturing of computer software, hardware, and peripheral devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Non residential real estate leasing; General equipment repair; Mechanical equipment research and development; Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export; Software development; Information system operation and maintenance services; Manufacturing of testing machines; Sales of testing machines. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Sz, Hydraulic Column Lifter, Single Suspension Pillar Maintenance Equipment

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
China Electric Transformer Co., Ltd2014-11-03Sz, Dry-Type Transformer, Explosion Proof Transformer160000K CNYNot Supported
Shanghai Hongshuda Plastic Raw Materials Co., Ltd2026-04-17Sz, Connector, Innovative Plastics5000K CNYSupported
Nanjing Yiruoda Instrument Equipment Co., Ltd2014-08-08Sz, Microplate Reader, Pcr Instrument5000K CNYNot Supported
Zhongzhong Intelligent Equipment Co., Ltd2018-11-14Sz, Supporting Equipment, Large-Scale Equipment50000K CNYSupported
Dongguan Tianzhihong Plasticization Co., Ltd2017-12-12Sz, Pom, Standard Material1880K CNYNot Supported
Shanghai Mingxiang International Trade Co., Ltd2020-12-21Sz, Fiberglass, Lighting Fixtures10000K CNYNot Supported
Shandong Zhongzhong Intelligent Technology Co., Ltd2022-03-10Sz, Instrumentation And Meters, Chemical Industry10000K CNYNot Supported
Huakuang Design and Research Institute (Jining)2020-04-26Sz, Support Category, Road Machinery1000K CNYSupported
Shenzhen Zhongxin Juneng Electronics Co., Ltd2011-08-25Sz, Memory Chip, Rf Chip10000K CNYNot Supported
Shandong Haozhou Mining Safety Equipment Co., Ltd2009-02-16Sz, Hydraulic Column Lifter, Single Suspension Pillar Maintenance Equipment3000K CNYNot Supported

Knowledge Base

Q

SZ1-K (AS+) silicone insulated, halogen-free sheathed cable, Spanish standard 0.6/1kV Application SZ1-K (AS+) is suitable for extreme environmental conditions, such as ensuring power supply in the event of a huge fire - emergency circuits such as signal lights, defoggers, infrared alarms, water pumps, etc. do not release toxic substances in the event of a fire

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs