Updated Oct 7, 2026 · Public platform & industry data

Oct 7, 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: Jiangsu Nantai Environmental Protection Packing Co., Ltd, Yixing Yilan Environmental Protection Equipment Co., Ltd, Pingxiang Tiansheng Chemical Equipment Co., Ltd, Pingxiang Shengfeng Packing Co., Ltd, Pingxiang Tiansheng Chemical Equipment Co., Ltd, Pingxiang Tiansheng Chemical Equipment Co., Ltd, Pingxiang Shengfeng Packing Co., Ltd, Pingxiang Shengfeng Packing Co., Ltd, Pingxiang Ante Environmental Protection Technology Co., Ltd, Pingxiang Rongjian Environmental Protection 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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Jiangsu Nantai Environmental Protection Packing Co., Ltd
Overall Score4.9 / 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

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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Pingxiang Tiansheng Chemical Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2011-10-11
Registered Capital36800K CNY

Pingxiang Tiansheng Chemical Equipment Co., Ltd. is registered at Building 7, West Zone, High tech Industrial Park, Pingxiang Economic Development Zone, Pingxiang City, Jiangxi Province. The registration authority is the Market Supervision and Administration Bureau of Pingxiang Economic and Technological Development Zone, and the legal representative is Yang Shici. Its business scope includes the manufacturing and sales of chemical equipment, water treatment equipment, industrial ceramics, metal fillers, and plastic products, as well as self operated and agency import and export trade of various commodities and technologies, and anti-corrosion engineering. (If there are special provisions in the national laws for the above-mentioned projects, follow their provisions). Core products: Stair Ring , Wire Mesh Defogger, Pp Plastic Ball Ring Connector

TOP4
Pingxiang Shengfeng Packing Co., Ltd
Overall Score4.7 / 5
Est. Date2004-03-01
Registered Capital60000K CNY

Pingxiang Shengfeng Packing Co., Ltd., with its registered address located in Xiashi West Industrial Park, Pingxiang Development Zone, Jiangxi Province, is registered with the Pingxiang Economic and Technological Development Zone Market Supervision and Administration Bureau. The legal representative is Yang Shitao, and its business scope includes general projects: sales of metal materials, sales of plastic products, sales of metal products, sales of special ceramic products, sales of molds, sales of sealing fillers, sales of chemical products (excluding licensed chemical products), sewage treatment and its recycling, import and export of goods, external contracting projects, technical services, technical development, technical consulting, technical exchanges, technology transfer, technology promotion, manufacturing of special ceramic products, manufacturing of gas and liquid separation and purification equipment, manufacturing of special equipment for oil refining and chemical production, mold manufacturing. Manufacturing of metal materials, Manufacturing of sealing fillers (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 , Multi Sided Hollow Sphere, Filler

TOP5
Pingxiang Tiansheng Chemical Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2011-10-11
Registered Capital36800K CNY

Pingxiang Tiansheng Chemical Equipment Co., Ltd. is registered at Building 7, West Zone, High tech Industrial Park, Pingxiang Economic Development Zone, Pingxiang City, Jiangxi Province. The registration authority is the Market Supervision and Administration Bureau of Pingxiang Economic and Technological Development Zone, and the legal representative is Yang Shici. Its business scope includes the manufacturing and sales of chemical equipment, water treatment equipment, industrial ceramics, metal fillers, and plastic products, as well as self operated and agency import and export trade of various commodities and technologies, and anti-corrosion engineering. (If there are special provisions in the national laws for the above-mentioned projects, follow their provisions). Core products: Stair Ring , Flat Ring Packing Series, Porcelain Ball

TOP6
Pingxiang Tiansheng Chemical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2011-10-11
Registered Capital36800K CNY

Pingxiang Tiansheng Chemical Equipment Co., Ltd. is registered at Building 7, West Zone, High tech Industrial Park, Pingxiang Economic Development Zone, Pingxiang City, Jiangxi Province. The registration authority is the Market Supervision and Administration Bureau of Pingxiang Economic and Technological Development Zone, and the legal representative is Yang Shici. Its business scope includes the manufacturing and sales of chemical equipment, water treatment equipment, industrial ceramics, metal fillers, and plastic products, as well as self operated and agency import and export trade of various commodities and technologies, and anti-corrosion engineering. (If there are special provisions in the national laws for the above-mentioned projects, follow their provisions). Core products: Stair Ring , Plastic Saddle Ring, Teller Rosette

TOP7
Pingxiang Shengfeng Packing Co., Ltd
Overall Score4.6 / 5
Est. Date2004-03-01
Registered Capital60000K CNY

Pingxiang Shengfeng Packing Co., Ltd., with its registered address located in Xiashi West Industrial Park, Pingxiang Development Zone, Jiangxi Province, is registered with the Pingxiang Economic and Technological Development Zone Market Supervision and Administration Bureau. The legal representative is Yang Shitao, and its business scope includes general projects: sales of metal materials, sales of plastic products, sales of metal products, sales of special ceramic products, sales of molds, sales of sealing fillers, sales of chemical products (excluding licensed chemical products), sewage treatment and its recycling, import and export of goods, external contracting projects, technical services, technical development, technical consulting, technical exchanges, technology transfer, technology promotion, manufacturing of special ceramic products, manufacturing of gas and liquid separation and purification equipment, manufacturing of special equipment for oil refining and chemical production, mold manufacturing. Manufacturing of metal materials, Manufacturing of sealing fillers (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 , Hollow Sphere Packing, Lacy Ring Packing

TOP8
Pingxiang Shengfeng Packing Co., Ltd
Overall Score4.6 / 5
Est. Date2004-03-01
Registered Capital60000K CNY

Pingxiang Shengfeng Packing Co., Ltd., with its registered address located in Xiashi West Industrial Park, Pingxiang Development Zone, Jiangxi Province, is registered with the Pingxiang Economic and Technological Development Zone Market Supervision and Administration Bureau. The legal representative is Yang Shitao, and its business scope includes general projects: sales of metal materials, sales of plastic products, sales of metal products, sales of special ceramic products, sales of molds, sales of sealing fillers, sales of chemical products (excluding licensed chemical products), sewage treatment and its recycling, import and export of goods, external contracting projects, technical services, technical development, technical consulting, technical exchanges, technology transfer, technology promotion, manufacturing of special ceramic products, manufacturing of gas and liquid separation and purification equipment, manufacturing of special equipment for oil refining and chemical production, mold manufacturing. Manufacturing of metal materials, Manufacturing of sealing fillers (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 , Multi Sided Hollow Sphere, Ball Ring Packing

TOP9
Pingxiang Ante Environmental Protection Technology Co., Ltd
Overall Score4.5 / 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,

TOP10
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd
Overall Score4.4 / 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

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Nantai Environmental Protection Packing Co., Ltd2010-05-25Stair Ring , Biochemical Treatment Of Industrial Wastewater, Single Pore Membrane Aeration Head10600K CNYSupported
Yixing Yilan Environmental Protection Equipment Co., Ltd2009-05-11Stair Ring , Fine Bubble Diffuser , Mechanical Grating5800K CNYSupported
Pingxiang Tiansheng Chemical Equipment Co., Ltd2011-10-11Stair Ring , Wire Mesh Defogger, Pp Plastic Ball Ring Connector36800K CNYSupported
Pingxiang Shengfeng Packing Co., Ltd2004-03-01Stair Ring , Multi Sided Hollow Sphere, Filler60000K CNYSupported
Pingxiang Tiansheng Chemical Equipment Co., Ltd2011-10-11Stair Ring , Flat Ring Packing Series, Porcelain Ball36800K CNYSupported
Pingxiang Tiansheng Chemical Equipment Co., Ltd2011-10-11Stair Ring , Plastic Saddle Ring, Teller Rosette 36800K CNYSupported
Pingxiang Shengfeng Packing Co., Ltd2004-03-01Stair Ring , Hollow Sphere Packing, Lacy Ring Packing60000K CNYSupported
Pingxiang Shengfeng Packing Co., Ltd2004-03-01Stair Ring , Multi Sided Hollow Sphere, Ball Ring Packing60000K CNYSupported
Pingxiang Ante Environmental Protection Technology Co., Ltd2018-06-27Stair Ring , Activated Alumina, 5000K CNYSupported
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd2011-09-09Stair Ring , Sulfur Autotrophic Filler, Porcelain Ball9500K 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