Updated Sep 17, 2026 · Public platform & industry data

Sep 17, 2026 Updated

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2026 Top 10 Stair Ring Manufacturers in China

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

The top 10 Stair Ring manufacturers in China for 2026 are: Yixing Weiya Environmental Protection Packing Factory, Yixing Yilan Environmental Protection Equipment Co., Ltd, Jiangsu Nantai Environmental Protection Packing Co., Ltd, Henan Landa Water Treatment Materials Co., Ltd, Pingxiang Haichuan Chemical Co., Ltd, Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd, Pingxiang Ante Environmental Protection Technology Co., Ltd, Jiangxi Wufeng Ceramics Co., Ltd, Pingxiang Aorong New Materials Co., Ltd, Jiangxi Kailai Chemical Packing 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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Region FilterRegion
Top 1
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Yixing Weiya Environmental Protection Packing Factory
Overall Score4.9 / 5
Est. Date2010-03-30
Registered Capital5000K CNY

Yixing Weiya Environmental Protection Packing Factory, with its registered address at No. 278 Ezhou South Road, Heqiao Town, Yixing City, registered with the Yixing Administrative Approval Bureau, and represented by Yang Junwei as its legal representative. Its business scope includes the manufacturing and sales of environmental protection fillers and water treatment equipment; Sales of environmental protection equipment and accessories; Design and construction of environmental protection projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Stair Ring , Elastic Filler, Short Stem Filter Head

Top 2
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Yixing Yilan Environmental Protection Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2009-05-11
Registered Capital5800K CNY

Yixing Yilan Environmental Protection Equipment Co., Ltd. is located in the Industrial Concentration Zone of Gaocheng Town, Yixing City. The registration authority is the Yixing Administrative Approval Bureau, and the legal representative is Lu Junrong. Its business scope includes the manufacturing and sales of environmental pollution prevention and control equipment, fiberglass products, pipe valves, environmental protection fillers, environmental protection equipment and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Stair Ring , Fine Bubble Diffuser , Mechanical Grating

Top 3
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Jiangsu Nantai Environmental Protection Packing Co., Ltd
Overall Score4.8 / 5
Est. Date2010-05-25
Registered Capital10600K CNY

Jiangsu Nantai Environmental Protection Filling Co., Ltd., registered at No. 18 Zhongqiao Road, Gaocheng Town, Yixing City, with the registration authority of Yixing Data Bureau and the legal representative of Du Shunming, has a business scope including general projects: sales of plastic products; Manufacturing of plastic products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); Ordinary mechanical equipment installation services (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: Stair Ring , Biochemical Treatment Of Industrial Wastewater, Single Pore Membrane Aeration Head

TOP4
Henan Landa Water Treatment Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2016-03-29
Registered Capital10000K CNY

Henan Landa Water Treatment Materials Co., Ltd., with its registered address in Tieshenggou Village, Jiajinkou Town, Gongyi City, is registered with the Gongyi Market Supervision and Administration Bureau. The legal representative is Wang Zhenfeng, and its business scope includes the production of water purification materials; Sales: Water treatment materials, fillers, activated carbon, aerators, water purification agents; Installation services for water treatment equipment; Engaged in the import and export of goods and technology (excluding goods and technology that require approval or are prohibited from import and export by national laws and regulations).. Core products: Stair Ring , Slow-Release Filler, Landscape Volcanic Stone

TOP5
Pingxiang Haichuan Chemical Co., Ltd
Overall Score4.7 / 5
Est. Date2014-06-19
Registered Capital6000K CNY

Pingxiang Haichuan Chemical Co., Ltd. is registered in Chishan Town, Shangli County, Pingxiang City, Jiangxi Province (Shangli Industrial Park). The registration authority is Shangli County Market Supervision Administration, and the legal representative is Yu Feng. The business scope includes general projects: manufacturing of specialized chemical products (excluding hazardous chemicals), manufacturing of specialized equipment for oil refining and chemical production, manufacturing of specialized equipment for plastic processing, sales of non-metallic minerals and products, sales of chemical products (excluding licensed chemical products), manufacturing of special ceramic products, manufacturing of ecological environment materials, sales of specialized equipment for oil refining and chemical production, sales of environmental protection equipment, production of refractory materials, sales of refractory materials, manufacturing of general equipment (excluding special equipment), manufacturing of metal daily necessities, and sales of metal products. Structural manufacturing, research and development of metal products, sales of anti-corrosion materials, Sales of insulation materials, import and export of goods, import and export of technology, import and export agency (except for projects that require approval according to law, independently carry out business activities based on the business license in accordance with the law). Core products: Stair Ring , Multi Sided Hollow Sphere, Plastic Cross Ring

TOP6
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd
Overall Score4.6 / 5
Est. Date2011-09-09
Registered Capital9500K CNY

Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd., with its registered address located in Xiangdong Town Industrial Park, Xiangdong District, Pingxiang City, Jiangxi Province, is registered with the Pingxiang Market Supervision Administration Bureau. The legal representative is Wang Yibo, and the business scope includes general projects: manufacturing of special ceramic products, sales of special ceramic products, sales of new ceramic materials, manufacturing of metal materials, sales of metal products, sales of non-metallic minerals and products, manufacturing of non-metallic mineral products, sales of plastic products, sales of new catalytic materials and additives, sales of environmental protection special equipment, manufacturing of special chemical products (excluding hazardous chemicals), sales of special chemical products (excluding hazardous chemicals), production of chemical products (excluding licensed chemical products). The sentence is:, Sales of chemical products (excluding licensed chemical products), import and export of goods (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Stair Ring , Sulfur Autotrophic Filler, Porcelain Ball

TOP7
Pingxiang Ante Environmental Protection Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2018-06-27
Registered Capital5000K CNY

Pingxiang Ante Environmental Protection Technology Co., Ltd. is registered at No. 4-15, 4th floor, Wanxin Village Office Building, Penggao Town, Tongjiu Road, Pingxiang Economic and Technological Development Zone, Pingxiang City, Jiangxi Province. The registration authority is Pingxiang Economic and Technological Development Zone Market Supervision and Administration Bureau, and the legal representative is Liang Zefang. The business scope includes general projects: technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion, sales of ecological environment materials, sales of sealing fillers, sales of sealing parts, sales of new ceramic materials, sales of building ceramic products, sales of special ceramic products, sales of metal products, sales of plastic products, sales of environmental protection special equipment, sales of non-metallic minerals and products, sales of new catalytic materials and additives, sales of ecological environment materials. Manufacturing, Sales of refractory materials (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: Stair Ring , Activated Alumina,

TOP8
Jiangxi Wufeng Ceramics Co., Ltd
Overall Score4.6 / 5
Est. Date2007-01-19
Registered Capital5000K CNY

Jiangxi Wufeng Ceramics Co., Ltd. is registered at No. 105 Quanhu South Road, Xiangdong District, Pingxiang City, Jiangxi Province. The registration authority is Pingxiang Market Supervision Administration Bureau, and the legal representative is Zhou Ming. Its business scope includes the design, research and development, sales, and construction installation of industrial ceramics, chemical fillers, environmental protection equipment, microporous filtration materials, filters, purifiers, industrial furnace equipment, anti-corrosion and insulation materials, tower internals, and complete sets of equipment. It also sells and imports and exports mechanical and electrical equipment, electronic products, chemical raw materials (excluding hazardous chemicals), mineral products, hardware and electrical equipment, electric ceramics, building materials, machinery and equipment, and labor protection supplies. (Projects that require approval by law can only be operated after approval by relevant departments). Core products: Stair Ring , Ceramic Fillers, Ceramic Membrane Filter

TOP9
Pingxiang Aorong New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2020-08-31
Registered Capital6990K CNY

Pingxiang Aorong New Materials Co., Ltd., with its registered address at Room 801, Building 13, Kaixuan Xianggeli, No. 789 Shaoshan East Road, Anyuan Town, Anyuan District, Pingxiang City, Jiangxi Province, is registered with the Market Supervision and Administration Bureau of Anyuan District, Pingxiang City. The legal representative is Hu Jianlin, and the business scope includes general projects: sales of chemical products (excluding licensed chemical products), sales of metal based composite materials and ceramic based composite materials, sales of plastic products, sales of new ceramic materials, sales of synthetic materials, sales of new catalytic materials and additives, sales of refractory materials, sales of environmental protection special equipment, professional design services, industrial design services, and installation services of environmental sanitation public facilities (except for licensed businesses, which are not prohibited or restricted by laws and regulations). Project). Core products: Stair Ring , Oil And Gas Processing Fillers And Internal Components, Wire Mesh Demister

TOP10
Jiangxi Kailai Chemical Packing Co., Ltd
Overall Score4.4 / 5
Est. Date2009-02-25
Registered Capital60000K CNY

Jiangxi Kailai Chemical Packing Co., Ltd. is registered at the intersection of Jinguang Avenue and Chongqing Middle Road in Anyuan Industrial Park, Anyuan District, Pingxiang City, Jiangxi Province. The registration authority is the Market Supervision Administration of Anyuan District, Pingxiang City, and the legal representative is Peng Gaomin. Its business scope includes the sales of chemical fillers, plastic products, chemical materials (excluding hazardous chemicals), anti-corrosion and insulation materials, and chemical equipment. (If there are special provisions in the laws and regulations of the above projects, follow their provisions). Core products: Stair Ring , Plastic Taylor Flower Wreath, Silica Gel Desiccant

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Yixing Weiya Environmental Protection Packing Factory2010-03-30Stair Ring , Elastic Filler, Short Stem Filter Head5000K CNYNot Supported
Yixing Yilan Environmental Protection Equipment Co., Ltd2009-05-11Stair Ring , Fine Bubble Diffuser , Mechanical Grating5800K CNYSupported
Jiangsu Nantai Environmental Protection Packing Co., Ltd2010-05-25Stair Ring , Biochemical Treatment Of Industrial Wastewater, Single Pore Membrane Aeration Head10600K CNYSupported
Henan Landa Water Treatment Materials Co., Ltd2016-03-29Stair Ring , Slow-Release Filler, Landscape Volcanic Stone10000K CNYSupported
Pingxiang Haichuan Chemical Co., Ltd2014-06-19Stair Ring , Multi Sided Hollow Sphere, Plastic Cross Ring6000K CNYSupported
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd2011-09-09Stair Ring , Sulfur Autotrophic Filler, Porcelain Ball9500K CNYSupported
Pingxiang Ante Environmental Protection Technology Co., Ltd2018-06-27Stair Ring , Activated Alumina, 5000K CNYSupported
Jiangxi Wufeng Ceramics Co., Ltd2007-01-19Stair Ring , Ceramic Fillers, Ceramic Membrane Filter5000K CNYSupported
Pingxiang Aorong New Materials Co., Ltd2020-08-31Stair Ring , Oil And Gas Processing Fillers And Internal Components, Wire Mesh Demister6990K CNYNot Supported
Jiangxi Kailai Chemical Packing Co., Ltd2009-02-25Stair Ring , Plastic Taylor Flower Wreath, Silica Gel Desiccant60000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of stepped ring packing, it is recommended to prioritize confirming key technical parameters such as the diameter, height, and specific surface area of the packing to ensure compatibility with tower design and separation efficiency requirements.
  • In the application of waste gas treatment or distillation towers in the fields of chemical engineering, environmental protection, etc., the anti clogging performance and mass transfer efficiency of stepped ring packing are key considerations in different scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information.
  • In actual procurement, attention should be paid to the material selection of stepped ring fillers, such as PP, PVC or metal materials, which need to be adapted according to the corrosiveness of the medium and the operating temperature conditions.

Knowledge Base

Q

Stainless steel stepped ring packing has a wide range of applications in multiple fields. In the field of chemical engineering, it is commonly used in gas-liquid mass transfer processes such as distillation, absorption, and other operations. Its unique stepped structure can increase the gas-liquid contact area, improve mass transfer efficiency, make the reaction more complete, and thus enhance the quality and yield of chemical production. In the petroleum refining industry, it can be used in various separation towers to help separate different components

Q

DN50 polypropylene stepped ring packing is a commonly used packing material, mainly used in water circulation systems to improve water flow efficiency and stability. This filler is made of polypropylene material and has the characteristics of high strength, corrosion resistance, and non agglomeration. It is suitable for various water circulation system applications, including water pumps, pipelines, valves, and other components. Polypropylene stepped ring packing is a type of packing composed of multiple steps

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