Updated Aug 20, 2026 · Public platform & industry data

Aug 20, 2026 Updated

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2026 Top 10 K Series Manufacturers in China

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

The top 10 K Series manufacturers in China for 2026 are: Jiangsu Chongtai Gearbox Co., Ltd, Suzhou Rongqian Rare Metal Products Co., Ltd, Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd, Shenzhen Zhengcheng Electric Co., Ltd, Guangzhou Kunlun Automation Equipment Co., Ltd, Quanma Yilian Technology (Shanghai) Co., Ltd, Shaoxing Jinying Machinery Manufacturing Co., Ltd, Shanghai Pinli Transmission Equipment Co., Ltd, Hubei Beiyue Power Technology Co., Ltd, Zhejiang Xinchi Precision Machinery 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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Jiangsu Chongtai Gearbox Co., Ltd
Overall Score4.9 / 5
Est. Date2009-05-08
Registered Capital10000K CNY

Jiangsu Chongtai Gearbox Co., Ltd., with its registered address at No. 29-11 Fenghuang City, Liangxi District, Wuxi City, registered with the Administrative Approval Bureau of Liangxi District, Wuxi City. The legal representative is Wang Fuxiang, and its business scope includes general projects such as gears, gear reducers, and gearbox sales; Sales of bearings, gears, and transmission components; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of mechanical and electrical equipment; Sales of electrical equipment; Retail of hardware products (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: K Series, Qj,Qjr,Qjrs,Qjr-D, Xw/Bw

Top 2
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Suzhou Rongqian Rare Metal Products Co., Ltd
Overall Score4.7 / 5
Est. Date2016-04-21
Registered Capital5800K CNY

Suzhou Rongqian Rare Metal Products Co., Ltd., with its registered address at No. 583 Sunwu Road, Xukou Town, Wuzhong District, Suzhou City, is registered with the Administrative Approval Bureau of Wuzhong District, Suzhou City. The legal representative is Wang Haiqing, and its business scope includes the production and processing of rare metals such as magnesium alloys, molybdenum alloys, tungsten alloys, tin alloys, nickel alloys, titanium alloys, nickel titanium alloys, etc; Sales of raw materials for non-ferrous metals and alloys. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: K Series, Tantalum , Metallic Bismuth

Top 3
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Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2021-02-25
Registered Capital7100K CNY

Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd., with its registered address at No. 79, Daxu Village, Beijing Road, Fujia Town, Zibo Economic Development Zone, Zibo City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Zibo Economic Development Zone. The legal representative is Fu Yanhong, and its business scope includes general projects such as manufacturing of specialized equipment for oil refining and chemical production; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Manufacturing of mechanical and electrical equipment; Sales of electrical equipment; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; General equipment manufacturing (excluding special equipment manufacturing); Sales of special equipment; Manufacturing of metal materials; Mechanical equipment research and development; Sales of electrical and mechanical equipment; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Specialized equipment repair; Sales of metal products; Research and development of metal products; Sales of valves and plugs; Sales of high-performance non-ferrous metals and alloy materials; Sales of metal materials; Sales of metal based composite materials and ceramic based composite materials; Mechanical parts and component processing; Sales of mechanical parts and components; Wholesale of hardware products; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Sales of refractory materials; Sales of non-metallic minerals and products; Sales of metal ores; Sales of building decoration materials; Sales of building waterproofing membrane products; Sales of electronic components and electromechanical equipment; Sales of non-ferrous metal alloys; Sales of electrical equipment; Sales of metal cutting and welding equipment; Sales of gears, gear reducers, and gearboxes; Sales of renewable resources; Environmental consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Conference and exhibition services; Loading and unloading handling. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Road freight transportation (excluding dangerous goods); Import and export of goods; Technology import and export. (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: K Series, Vertical Mixer, Final Fantasy Series

TOP4
Shenzhen Zhengcheng Electric Co., Ltd
Overall Score4.6 / 5
Est. Date2014-08-25
Registered Capital8000K CNY

Shenzhen Zhengcheng Electric Co., Ltd., with its registered address located at A1 to 5 floors of Jinruihua Optoelectronic Technology Co., Ltd.'s factory in Dawo Industrial Zone, Huarong Community, Dalang Street, Longhua District, Shenzhen. The registration authority is Longhua Supervision Bureau of Shenzhen Market Supervision Administration, and the legal representative is Huang Zhixing. Its business scope includes general business projects such as the technical development and sales of IC integrated circuits, connector products, wire harnesses, LED products, and electronic components; Domestic trade, engaged in the import and export of goods and technology (excluding those that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council). If the operation of an enterprise involves a preliminary administrative license, it must obtain a preliminary administrative license document before it can operate. Licensed business projects include the production and processing of connector products, wire harnesses, LED products, and electronic components.. Core products: K Series, Type-C, Deck Series

TOP5
Guangzhou Kunlun Automation Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2005-06-30
Registered Capital3000K CNY

Guangzhou Kunlun Automation Equipment Co., Ltd., with its registered address at Room 1520, No. 141-2 Wushan Road, Tianhe District, Guangzhou (for office use only), registered with the Market Supervision Administration of Tianhe District, Guangzhou, and represented by Huafeng as its legal representative. Its business scope includes wholesale of computers; Wholesale of instruments and meters; Wholesale of electronic products; Computer retail; Retail of electronic products; Research and development of electronic, communication, and automatic control technologies; Computer technology development and technical services; Wholesale of electrical equipment; Electronic automation engineering installation services; Electronic equipment engineering installation services; Mechanical and electrical equipment installation services; General equipment repair; Specialized equipment repair; Electrical equipment repair; Instrument and meter repair; Repair of computers and auxiliary equipment; Repair of household electronic products; Wholesale trade of goods (excluding licensed and approved goods); Retail trade of goods (excluding licensed and approved goods);. Core products: K Series, Water Immersion Transmitter Sensor, Data Acquisition Module

TOP6
Quanma Yilian Technology (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date2022-12-28
Registered Capital5000K CNY

Quanma Yilian Technology (Shanghai) Co., Ltd., with its registered address at 3rd Floor, Building 1, Zone A, No. 2588 Jinhai Road, Pudong New Area, Shanghai, registered with the Pudong New Area Market Supervision Administration and represented by Zhang Zhejian as its legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Electronic product sales; Sales of power electronic components; Operation of wires and cables; Sales of electronic components and electromechanical equipment; Retail of hardware products; Sales of electrical equipment; Sales of daily necessities; Import and export of goods; Technology import and export. (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: K Series, P Series, Series B

TOP7
Shaoxing Jinying Machinery Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2002-09-29
Registered Capital11800K CNY

Shaoxing Jinying Machinery Manufacturing Co., Ltd., with its registered address located in Lianghu Street Industrial Zone, Shangyu District, Shaoxing City, Zhejiang Province, is registered with the Market Supervision and Administration Bureau of Shangyu District, Shaoxing City. The legal representative is Chen Xiaobiao, and its business scope includes the production and sales of reducers, motors, other mechanical equipment, and ventilation equipment. Core products: K Series, Ycj Series, Ytc Series

TOP8
Shanghai Pinli Transmission Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2010-04-27
Registered Capital500K CNY

Shanghai Pinli Transmission Equipment Co., Ltd. is registered at Building 1, No. 158 Nanle Road, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Wang Quansheng. Its business scope includes wholesale and retail of transmission equipment, electromechanical equipment and accessories, reducers, gearboxes, motors, hydraulic equipment, and hardware and electrical equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: K Series, Planetary Reducer, Worm Gear Reducer

TOP9
Hubei Beiyue Power Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2014-12-19
Registered Capital2000K CNY

Hubei Beiyue Power Technology Co., Ltd., with its registered address at Building 10, No. 11, Lane 2, Hongwei Lugou Lane, Zhangwan District, Shiyan City, is registered with the Market Supervision and Administration Bureau of Zhangwan District, Shiyan City. The legal representative is Ji Changyue, and its business scope includes general projects such as engineering and technical research and experimental development, manufacturing of automotive parts and accessories, processing of mechanical parts and components, manufacturing of metal processing machinery, wholesale of automotive spare parts, manufacturing of generators and generator sets, sales of mechanical parts and components, sales of mining machinery, manufacturing of bearings, sales of metal materials, natural science research and experimental development, manufacturing of railway locomotive and vehicle parts, sales of bearings, manufacturing of off-road leisure vehicles and spare parts, sales of chemical products (excluding licensed chemical products), and sales of rubber products. Sales, household appliance sales, hardware product manufacturing, hardware product wholesale, Sales of electronic products, daily necessities, labor protection products, plastic products, office supplies, motorcycle parts manufacturing, metal surface treatment and heat treatment processing. (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations in accordance with the law). Core products: K Series, N Series, X15 Series

TOP10
Zhejiang Xinchi Precision Machinery Co., Ltd
Overall Score4.4 / 5
Est. Date2022-11-03
Registered Capital10000K CNY

Zhejiang Xinchi Precision Machinery Co., Ltd., with its registered address at Mocheng Industrial Community, Aojiang Town, Pingyang County, Wenzhou City, Zhejiang Province, is registered with the Pingyang County Market Supervision and Administration Bureau. The legal representative is Yang Dexin, and its business scope includes general projects such as gear and gear reducer manufacturing, and gearbox manufacturing; Sales of gears, gear reducers, and gearboxes; Sales of high-speed precision gear transmission devices; Sales of bearings, gears, and transmission components; Manufacturing of bearings, gears, and transmission components; Import and export of goods; Technology import and export; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law).. Core products: K Series, High Precision Spiral Cone, R Series

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Chongtai Gearbox Co., Ltd2009-05-08K Series, Qj,Qjr,Qjrs,Qjr-D, Xw/Bw10000K CNYSupported
Suzhou Rongqian Rare Metal Products Co., Ltd2016-04-21K Series, Tantalum , Metallic Bismuth5800K CNYSupported
Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd2021-02-25K Series, Vertical Mixer, Final Fantasy Series7100K CNYSupported
Shenzhen Zhengcheng Electric Co., Ltd2014-08-25K Series, Type-C, Deck Series8000K CNYNot Supported
Guangzhou Kunlun Automation Equipment Co., Ltd2005-06-30K Series, Water Immersion Transmitter Sensor, Data Acquisition Module 3000K CNYNot Supported
Quanma Yilian Technology (Shanghai) Co., Ltd2022-12-28K Series, P Series, Series B5000K CNYNot Supported
Shaoxing Jinying Machinery Manufacturing Co., Ltd2002-09-29K Series, Ycj Series, Ytc Series11800K CNYNot Supported
Shanghai Pinli Transmission Equipment Co., Ltd2010-04-27K Series, Planetary Reducer, Worm Gear Reducer500K CNYSupported
Hubei Beiyue Power Technology Co., Ltd2014-12-19K Series, N Series, X15 Series2000K CNYNot Supported
Zhejiang Xinchi Precision Machinery Co., Ltd2022-11-03K Series, High Precision Spiral Cone, R Series10000K CNYSupported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of the K series, it is recommended to prioritize checking the key technical parameters in the product specifications, such as operating voltage range or load capacity, to ensure compatibility with existing equipment.
  • In industrial automation scenarios, the K series is typically used for high-precision control modules. When purchasing, industry data support or platform statistical information provided by suppliers can be evaluated in conjunction with specific application scenarios.
  • When selecting suppliers, reference can be made to product compatibility and business qualifications, while also paying attention to enterprise activity and industry performance. These indicators can reflect the long-term cooperation potential of suppliers.
  • The K series is widely used in energy management systems. When purchasing, attention should be paid to the differences in communication protocols between different models to avoid integration difficulties caused by parameter mismatches.

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