Updated Oct 15, 2026 · Public platform & industry data

Oct 15, 2026 Updated

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2026 Top 10 Closed Conveying System Manufacturers in China

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Top-rated Closed Conveying System suppliers, How to choose a Closed Conveying System manufacturer, Best Closed Conveying System companies in China

The top 10 Closed Conveying System manufacturers in China for 2026 are: Weifang Bolangte Intelligent Technology Co., Ltd, Laizhou Longfa Rubber Co., Ltd, Henan Cangjing Environmental Protection Technology Co., Ltd, Nantong Yuejian Machinery Co., Ltd, Wuxi Saiweisi Precision Machinery Co., Ltd, Zhengzhou Yufeng Machinery Co., Ltd, Nanjing Jinbo Rui Industrial Equipment Co., Ltd, Changzhou Xinli Tianhe Powder Equipment Co., Ltd, Wuxi Chenli Powder Equipment Co., Ltd, Xinxiang Jubao Electromechanical Equipment Manufacturing 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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Weifang Bolangte Intelligent Technology Co., Ltd

Room 101, Workshop 1-1, North Jinshan Street, Xinhua Road East, Xin'an Street, Anqiu City, Weifang City, Shandong Province

Overall Score4.9 / 5
Est. Date2026-01-22
Registered Capital990K CNY

Weifang Bolangte Intelligent Technology Co., Ltd. is located at Room 101, Workshop 1-1, North Jinshan Street, Xinhua Road East, Xin'an Street, Anqiu City, Shandong Province. It was established on January 22, 2026, with the registration authority of Anqiu Market Supervision Administration and the legal representative being Xu Jiashuo. Core products: Closed Conveying System

Top 2
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Laizhou Longfa Rubber Co., Ltd
Overall Score4.8 / 5
Est. Date2015-02-28
Registered Capital10000K CNY

Laizhou Longfa Rubber Co., Ltd. is registered in Houqiao Village, Hutouya Town, Laizhou City, Yantai City, Shandong Province. The registration authority is Laizhou Market Supervision Administration, and the legal representative is Liu Xiaolei. The business scope includes general projects: rubber product manufacturing; Sales of rubber products; Sales of plastic products; Sales of mining machinery; Sales of specialized chemical products (excluding hazardous chemicals); Retail of hardware products; 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: Closed Conveying System, Rubber Liner, Rubber Diaphragm Of Filter Press

Top 3
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Henan Cangjing Environmental Protection Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2017-11-22
Registered Capital20000K CNY

Henan Cangjing Environmental Protection Technology Co., Ltd., with its registered address at Room 1415, Yunling Center, Huaqiang Square, intersection of Dianchang Road and Wulongkou Road, High tech Development Zone, Zhengzhou City, Henan Province, is registered with the Market Supervision and Administration Bureau of Zhengzhou High tech Industrial Development Zone. The legal representative is Li Ju, and the business scope includes general projects such as air pollution prevention and control services; Water pollution prevention and control services; Wastewater treatment and its recycling; Water pollution control; Solid waste management; Environmental protection monitoring; Research and development of new material technology; Software development; Sales of specialized equipment for environmental protection; Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Production of chemical products (excluding licensed chemical products); Manufacturing of specialized equipment for environmental protection; Manufacturing of mechanical and electrical equipment (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Closed Conveying System, Add System, Limestone Powder Feeder

TOP4
Nantong Yuejian Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2010-07-13
Registered Capital12000K CNY

Nantong Yuejian Machinery Co., Ltd., registered at Jishe Group 5, Liuji Village, Baidian Town, Hai'an County, with the administrative approval bureau of Hai'an City as the registration authority and Hu Guojin as the legal representative, engages in the production and sales of environmental protection machinery, building materials machinery, ditch forming machinery, ventilation machinery, and coating machinery; Manufacturing and installation of dry mixed mortar line equipment; Import and export business of various commodities through self operation and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Closed Conveying System, Slant Groove, Dry Mixed Mortar Production Line

TOP5
Wuxi Saiweisi Precision Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2018-11-27
Registered Capital2000K CNY

Wuxi Saiweisi Precision Machinery Co., Ltd., registered at No. 5 Yunhe West Road, Shitangwan, Luoshe Town, Huishan District, Wuxi City, registered with the Huishan District Data Bureau of Wuxi City, with Wang Xiaoliang as the legal representative. Its business scope includes general projects: general equipment manufacturing (excluding special equipment manufacturing); Manufacturing of industrial automatic control system devices; Manufacturing of mechanical and electrical equipment; Manufacturing of hardware products; Mechanical equipment research and development; Research and development of metal products; Installation services for ordinary mechanical equipment; Sales of mechanical equipment; Sales of industrial automatic control system devices; Sales of intelligent warehousing equipment; Sales of mechanical parts and components; Sales of metal products; Wholesale 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: Closed Conveying System, , Addition Of Copper Powder And Silver Powder For Pcb Electroplating

TOP6
Zhengzhou Yufeng Machinery Co., Ltd
Overall Score4.6 / 5
Est. Date2024-06-24
Registered Capital680K CNY

Zhengzhou Yufeng Machinery Co., Ltd., with its registered address at No. 186, S312 Provincial Road, Kangdian Town, Gongyi City, Zhengzhou City, Henan Province, is registered with the Gongyi Market Supervision Administration Bureau. The legal representative is Ye Pengpeng, and the business scope includes general projects: general equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized equipment for environmental protection; Manufacturing of hydraulic power machinery and components; Mining machinery manufacturing; Manufacturing of metal structures; Sales of mechanical equipment; Sales of specialized equipment for environmental protection; Sales of hydraulic power machinery and components; Sales of mining machinery; Sales of metal structures; Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export (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: Closed Conveying System, Double Axis Humidification Mixer, Pneumatic Conveying Material Sealing Pump

TOP7
Nanjing Jinbo Rui Industrial Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2014-12-04
Registered Capital5000K CNY

Nanjing Jinbo Rui Industrial Equipment Co., Ltd., registered at Room 1102, Building 1-1, Xinduhui Plaza, No. 1118 Shuanglong Avenue, Moling Street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone), registered with the Jiangning District Government Service Management Office of Nanjing City, with Wang Liubo as the legal representative. Its business scope includes general projects: manufacturing of packaging special equipment; Sales of specialized packaging equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of cultural and office equipment; Sales of office equipment and consumables; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electrical accessories; Sales of electrical accessories; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Import and export agency; Sales of valves and plugs; Sales of material handling equipment (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: Closed Conveying System, Raw Material Powder Feeding Machine, Chinese Medicine Powder Feeding Machine

TOP8
Changzhou Xinli Tianhe Powder Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2006-09-05
Registered Capital2000K CNY

Changzhou Xinli Tianhe Powder Equipment Co., Ltd., with its registered address in Chajia Village, Zhenglu Town, Tianning District, Changzhou City. The registration authority is the Tianning District Administrative Approval Bureau, and the legal representative is Fan Bingqing. Its business scope includes the manufacturing of powder equipment, mixing equipment, and drying equipment; Processing of mechanical components and metal products; Installation of mechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Closed Conveying System, Screening System, Control Cabinet

TOP9
Wuxi Chenli Powder Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2011-11-08
Registered Capital2000K CNY

Wuxi Chenli Powder Equipment Co., Ltd. is registered at No. 12 Wanshou Road, Qianzhou Supporting Zone, Huishan Economic Development Zone, Wuxi. The registration authority is the Huishan District Data Bureau of Wuxi City, and the legal representative is Zhao Jianli. The business scope includes the manufacturing, processing, and sales of powder drying equipment, other general equipment, and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Closed Conveying System, Filter Press, V-Shaped Mixer

TOP10
Xinxiang Jubao Electromechanical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2018-12-06
Registered Capital9800K CNY

Xinxiang Jubao Electromechanical Equipment Manufacturing Co., Ltd., with its registered address located 100 meters west of the intersection of Dazhaoying Town, Xinxiang County, Henan Province, is registered with the Xinxiang County Market Supervision Administration Bureau and represented by Zhang Guoling. Its business scope includes the manufacturing, installation, sales, maintenance, and import/export trade of vibration screening equipment, conveying equipment, dust removal equipment, vibration motors, rubber products, and automation control equipment.. Core products: Closed Conveying System, Ton Package Feeding Station, Bulk Bag Packaging Machine

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Weifang Bolangte Intelligent Technology Co., Ltd2026-01-22Closed Conveying System990K CNYNot Supported
Laizhou Longfa Rubber Co., Ltd2015-02-28Closed Conveying System, Rubber Liner, Rubber Diaphragm Of Filter Press10000K CNYSupported
Henan Cangjing Environmental Protection Technology Co., Ltd2017-11-22Closed Conveying System, Add System, Limestone Powder Feeder20000K CNYNot Supported
Nantong Yuejian Machinery Co., Ltd2010-07-13Closed Conveying System, Slant Groove, Dry Mixed Mortar Production Line12000K CNYSupported
Wuxi Saiweisi Precision Machinery Co., Ltd2018-11-27Closed Conveying System, , Addition Of Copper Powder And Silver Powder For Pcb Electroplating2000K CNYSupported
Zhengzhou Yufeng Machinery Co., Ltd2024-06-24Closed Conveying System, Double Axis Humidification Mixer, Pneumatic Conveying Material Sealing Pump680K CNYNot Supported
Nanjing Jinbo Rui Industrial Equipment Co., Ltd2014-12-04Closed Conveying System, Raw Material Powder Feeding Machine, Chinese Medicine Powder Feeding Machine5000K CNYNot Supported
Changzhou Xinli Tianhe Powder Equipment Co., Ltd2006-09-05Closed Conveying System, Screening System, Control Cabinet2000K CNYNot Supported
Wuxi Chenli Powder Equipment Co., Ltd2011-11-08Closed Conveying System, Filter Press, V-Shaped Mixer2000K CNYNot Supported
Xinxiang Jubao Electromechanical Equipment Manufacturing Co., Ltd2018-12-06Closed Conveying System, Ton Package Feeding Station, Bulk Bag Packaging Machine9800K CNYSupported

Knowledge Base

Q

The closed pipeline negative pressure conveying system is an efficient and environmentally friendly material transportation method, which is widely used in many industries. This technology is suitable for solid materials in granular or powdered form, such as grains, chemical products, and minerals. The following is a brief introduction to its application fields. In the field of agriculture: used for the transportation of grains, feed, and other agricultural products. for example

Q

Baidu AiGou has found relevant pictures of different categories of sealed dust-free conveying systems for you, taking you to appreciate the diversity and uniqueness of sealed dust-free conveying systems. At the same time, we also recommend high-quality sealed dust-free conveying system products for you, so that you can easily and quickly find the most suitable sealed dust-free conveying system for yourself when purchasing.

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