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Nov 2, 2026 Обновлено

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2026 Top 10 Large And Small Head Variable Diameter Tube Manufacturers in China

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Top-rated Large And Small Head Variable Diameter Tube suppliers, How to choose a Large And Small Head Variable Diameter Tube manufacturer, Best Large And Small Head Variable Diameter Tube companies in China

The top 10 Large And Small Head Variable Diameter Tube manufacturers in China for 2026 are: New Shun Valve Group Co., Ltd, Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd, Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd, Hengshui Zhengte Environmental Protection Equipment Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Hebei Qinghe Pipe Fitting Manufacturing Co., Ltd, Hebei Tengtai Pipeline Manufacturing Co., Ltd, Qingyun Huishun Machinery Parts Co., Ltd, Cangzhou Tongbang Pipeline Equipment Co., Ltd, Cangzhou Aosen Dike Pipe Fitting 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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New Shun Valve Group Co., Ltd
Общая оценка4.9 / 5
Дата основания2015-05-08
Уставный капитал101000K CNY

New Shun Valve Group Co., Ltd., located at Building 3, No. 70 Shunxian Road, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province, was established on May 8, 2015. The registered authority is the Tianning District Government Service Management Office of Changzhou City, and the legal representative is Yan Shaoyang. Core products: Large And Small Head Variable Diameter Tube

Top 2
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Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd

Across from Xinxing Furniture, 283 Provincial Road, Cangyan Road, Yanshan County

Общая оценка4.8 / 5
Дата основания2020-12-22
Уставный капитал28000K CNY

Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd. is located opposite Xinxing Furniture on Cangyan Road 283 Provincial Road in Yanshan County. It was established on December 22, 2020, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Bi Qiuxia. Core products: Large And Small Head Variable Diameter Tube

Top 3
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Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd
Общая оценка4.8 / 5
Дата основания2018-06-12
Уставный капитал18000K CNY

Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd., whose registered address is located in the west of the road 400 meters north of memorial archway, Zhangguandian East, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered by the Market Supervision Administration of Mengcun Hui Autonomous County, and its legal representative is Fan Xiaoxue. Its business scope includes general projects: building decoration, plumbing pipe parts and other metal products for building; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of metal daily necessities; Sales of metal products; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of concrete structural components; Sales of concrete structural components; Mechanical parts and component processing; Sales of mechanical parts and components; Sealing component manufacturing; Sales of seals; Fastener manufacturing; Sales of fasteners; Sales of metal materials; Sales of valves and plugs; Sales of pumps and vacuum equipment; Sales of anti-corrosion materials; Sales of insulation materials; Import and export of goods (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: Large And Small Head Variable Diameter Tube, Big End And Small End, Socket Fittings

TOP4
Hengshui Zhengte Environmental Protection Equipment Co., Ltd
Общая оценка4.7 / 5
Дата основания2024-12-19
Уставный капитал300K CNY

Hengshui Zhengte Environmental Protection Equipment Co., Ltd., with its registered address at No. 207 Tongjin Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Wang Yanyun, and its business scope includes general projects such as the manufacturing of specialized environmental protection equipment; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of plastic products; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal daily necessities; Sales of anti-corrosion materials; Sales of metal products; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Retail of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Sales of valves and plugs; Installation services for environmental sanitation public facilities; Construction of earthwork engineering; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Labor services (excluding labor dispatch); Sales of building materials. (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: Large And Small Head Variable Diameter Tube, Frp Pipe Fittings,

TOP5
Jiangyin Fulei Steel Plate Processing Co., Ltd
Общая оценка4.7 / 5
Дата основания2007-07-05
Уставный капитал60000K CNY

Jiangyin Fulei Steel Plate Processing Co., Ltd., with its registered address located in Qiaoqi Industrial Park, Xuxiake Town, Jiangyin City (south of Yingbin Avenue), is registered with the Jiangyin Administrative Approval Bureau and represented by Huang Lei as its legal representative. Its business scope includes steel plate processing; Manufacturing, processing, and sales of metal structures, mechatronics equipment, and spare parts; Sales of hardware products, electrical equipment, and metal materials; Import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies restricted or prohibited by the state for enterprise operation or import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large And Small Head Variable Diameter Tube, U-Shaped Steel, Stainless Steel Bending Parts

TOP6
Hebei Qinghe Pipe Fitting Manufacturing Co., Ltd
Общая оценка4.6 / 5
Дата основания2017-04-01
Уставный капитал10000K CNY

Hebei Qinghe Pipe Fitting Manufacturing Co., Ltd., registered in Fanzhuang Village, Yanshan Town, Yanshan County, with the registration authority of Yanshan County Market Supervision Administration and the legal representative of Fan Xiaokang, engages in the production of flanges, pipe fittings, steel pipe fittings, heads, insulation and anti-corrosion pipelines, wear-resistant pipelines, polyurethane lining, ultra-high molecular weight lining, and polyethylene pipelines; Sales of lined rubber, lined plastic pipes, equipment accessories, rubber and plastic products, steel pipes, steel plates, round steel, metal materials, hardware and electrical materials, compensators, pipe supports and hangers, power plant accessories, and valves; To engage in the export business of products and technologies produced by our enterprise, as well as the import business of machinery, equipment, spare parts, raw materials, and technologies required by our enterprise, except for goods and technologies restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large And Small Head Variable Diameter Tube, Stainless Steel Blind Flange, Suction Bell Mouth

TOP7
Hebei Tengtai Pipeline Manufacturing Co., Ltd
Общая оценка4.6 / 5
Дата основания2011-06-03
Уставный капитал50000K CNY

Hebei Tengtai Pipeline Manufacturing Co., Ltd., with its registered address located in Puwacheng Park, Yanshan County Economic Development Zone, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Jia Zhaohui. Its business scope includes manufacturing pipelines, pipeline fittings and accessories, flange forgings, valves, power plant accessories, supports and hangers, conveying machinery and accessories, and sales of metal materials; Import and export business of self-produced products and technologies of enterprises. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large And Small Head Variable Diameter Tube, Filter, Manhole

TOP8
Qingyun Huishun Machinery Parts Co., Ltd
Общая оценка4.6 / 5
Дата основания2017-07-06
Уставный капитал1000K CNY

Qingyun Huishun Machinery Parts Co., Ltd., with its registered address located on the south side of the east end of Yingbin Road in Qingyun County, Dezhou City, Shandong Province, is registered with the Qingyun County Market Supervision Administration. The legal representative is Zhang Jingliang, and its business scope includes general projects such as mechanical parts and component processing; Black metal casting (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: Large And Small Head Variable Diameter Tube, Grate, Rare Earth Alloy Wear-Resistant Elbow

TOP9
Cangzhou Tongbang Pipeline Equipment Co., Ltd
Общая оценка4.5 / 5
Дата основания2014-01-14
Уставный капитал5000K CNY

Cangzhou Tongbang Pipeline Equipment Co., Ltd. is registered in Zhanglongtan, Bianwu Township, Yanshan County. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Liu Zhiqiang. Its business scope includes the production of pipe fittings, wear-resistant pipe fittings, pipeline equipment and accessories, and the sales of steel pipes, steel pipes, and wire rods. To engage in the export business of self-produced products and technologies of our enterprise, as well as the import and export business of raw materials and technologies for mechanical equipment spare parts required by our enterprise.. Core products: Large And Small Head Variable Diameter Tube, Pipe Support, Vent Pipe

TOP10
Cangzhou Aosen Dike Pipe Fitting Manufacturing Co., Ltd
Общая оценка4.4 / 5
Дата основания2012-10-25
Уставный капитал120000K CNY

Cangzhou Aosen Dike Pipe Fitting Manufacturing Co., Ltd. is registered in Donghe Village, Niujinzhuang Township, Mengcun Hui Autonomous County. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Zhang Xinhua. Its business scope includes building decoration and manufacturing of plumbing pipe parts. Manufacturing, processing, and sales: pipe fittings, pipeline equipment; Sales: reducers, steel plates, steel pipes, tubing, hardware products, mechanical equipment, compensators, profiles, plates, fasteners, plastic products, valves, power plant accessories, green building materials; Anti corrosion and insulation of pipelines and fittings; Import and export of goods or technology (excluding goods or technology prohibited by the state or subject to administrative approval). Projects that require approval by law can only be operated after approval by relevant departments. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large And Small Head Variable Diameter Tube, Pipe Support, Flange

Подробное сравнение производителей

ПроизводительДата основанияОсновные товарыУставный капиталКастомизация
New Shun Valve Group Co., Ltd2015-05-08Large And Small Head Variable Diameter Tube101000K CNYПоддерживается
Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd2020-12-22Large And Small Head Variable Diameter Tube28000K CNYПоддерживается
Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd2018-06-12Large And Small Head Variable Diameter Tube, Big End And Small End, Socket Fittings18000K CNYПоддерживается
Hengshui Zhengte Environmental Protection Equipment Co., Ltd2024-12-19Large And Small Head Variable Diameter Tube, Frp Pipe Fittings, 300K CNYНе поддерживается
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05Large And Small Head Variable Diameter Tube, U-Shaped Steel, Stainless Steel Bending Parts60000K CNYПоддерживается
Hebei Qinghe Pipe Fitting Manufacturing Co., Ltd2017-04-01Large And Small Head Variable Diameter Tube, Stainless Steel Blind Flange, Suction Bell Mouth10000K CNYНе поддерживается
Hebei Tengtai Pipeline Manufacturing Co., Ltd2011-06-03Large And Small Head Variable Diameter Tube, Filter, Manhole50000K CNYПоддерживается
Qingyun Huishun Machinery Parts Co., Ltd2017-07-06Large And Small Head Variable Diameter Tube, Grate, Rare Earth Alloy Wear-Resistant Elbow1000K CNYПоддерживается
Cangzhou Tongbang Pipeline Equipment Co., Ltd2014-01-14Large And Small Head Variable Diameter Tube, Pipe Support, Vent Pipe5000K CNYПоддерживается
Cangzhou Aosen Dike Pipe Fitting Manufacturing Co., Ltd2012-10-25Large And Small Head Variable Diameter Tube, Pipe Support, Flange120000K CNYПоддерживается

Руководство по закупкам

На основе реальных отзывов пользователей предлагаем следующие рекомендации:

  • For procurement requirements that require the use of reducers, it is recommended to prioritize confirming the diameter dimensions, wall thickness, and material parameters at both ends to ensure compatibility with existing pipeline systems and avoid installation difficulties or seal failure due to specification deviations.
  • In high-pressure scenarios such as chemical or hydraulic engineering, it is important to evaluate the pressure rating and corrosion resistance of variable diameter pipes. Different media environments may have specific requirements for materials such as stainless steel and carbon steel.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually provide more stable supply capabilities and technical support.
  • For common application scenarios such as fire protection pipelines or HVAC systems, it is recommended to choose variable diameter pipes with standard flange connections for quick installation and maintenance, while reducing the construction cost of system renovation.

База знаний

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This article provides a detailed analysis of the construction methods and technical points for variable diameter of smoke exhaust pipes, including the principle of variable diameter, common processing methods (such as conical transition and eccentric reducing pipes), installation specifications (such as airflow direction and slope requirements), and matching parameters for different specifications of pipe diameters (refer to the "Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering" GB50243-2016), to help solve the problem of variable diameter connection in practical engineering.

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Baidu AiGou has found relevant pictures of different categories of variable diameter reducers, taking you on a journey to appreciate the diversity and uniqueness of variable diameter reducers. At the same time, we also recommend high-quality variable diameter reducers for you, so that you can easily and quickly find the most suitable variable diameter reducers for yourself when purchasing.

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This article provides a detailed introduction to the production process of large and small head variable diameter pipes, including their definition, production process flow, main production methods (stamping, extrusion, welding), and quality control points during the production process. Through this article, readers can comprehensively understand the manufacturing principles and processes of large and small head variable diameter pipes, providing valuable references for practitioners in related industries.

Методика оценки рейтинга

Этот рейтинг формируется на основе открытых данных платформы Baidu B2B и общепринятых отраслевых критериев оценки, с акцентом на активность предприятия, деловые квалификации, соответствие продукции и отраслевые показатели, чтобы предоставить покупателям полезную информацию о рейтинге производителей.

КритерийОписание
Источник данныхМногомерные данные, включая открытые данные платформы, сертификацию предприятий, отзывы пользователей и записи о сделках
ОценкаКомплексные показатели, включая активность предприятия, квалификации, качество продукции, уровень сервиса и репутацию у пользователей
Частота обновленияДанные рейтинга обновляются ежедневно для обеспечения актуальности и точности
РекомендацияРейтинг носит справочный характер. Рекомендуем проводить комплексную оценку с учётом реальных потребностей