Updated Sep 15, 2026 · Public platform & industry data

Sep 15, 2026 Updated

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2026 Top 10 Plastic Inspection Chamber Manufacturers in China

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Top-rated Plastic Inspection Chamber suppliers, How to choose a Plastic Inspection Chamber manufacturer, Best Plastic Inspection Chamber companies in China

The top 10 Plastic Inspection Chamber manufacturers in China for 2026 are: Hebei Weihan Environmental Protection Equipment Co., Ltd, Hebei Wohan Environmental Protection Equipment Co., Ltd, Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd, Shaanxi Linsu Pipeline Technology Co., Ltd, Xiongxian Kaiqin Plastic Products Co., Ltd, Shanghai Mingguo Industrial Co., Ltd, Xiamen Tianjing New Material Technology Co., Ltd, Jiaheng Cement Products Factory in Jiaxiang County, Sichuan Ruixin Pipe Industry Technology Co., Ltd, Shandong Wenyuan Environmental Protection Technology 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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Hebei Weihan Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2019-11-26
Registered Capital10000K CNY

Hebei Weihan Environmental Protection Equipment Co., Ltd., registered at Xinhe International D, Zaoqiang County, Hengshui City, Hebei Province Building 211, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, with Wu Junwei as the legal representative. The business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wires and cables, optical cables, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment and accessories, and engineering construction several times. The company also engages in the export business of self-produced products and technologies and the mechanical equipment required by the company. Import business of spare parts, raw materials and technologies, 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: Plastic Inspection Chamber, Cable Trench Cover, Fiberglass Cable Trench Channel

Top 2
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Hebei Wohan Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-08-21
Registered Capital3000K CNY

Hebei Wohan Environmental Protection Equipment Co., Ltd. is registered in Houchenzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Zaoqiang County, Hengshui City, and the legal representative is Chen Bing. The company's business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning terminal supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wire and cable, optical cable, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment. And accessories, engineering construction and installation, To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical 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: Plastic Inspection Chamber, Fiberglass Flange, Fiberglass Acid Alkali Storage Tank

Top 3
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Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd
Overall Score4.7 / 5
Est. Date2022-06-07
Registered Capital10680K CNY

Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd., with its registered address at No. 66, Yangbei Village, Yanggang Town, Xiong County, Baoding City, Hebei Province (self declared), is registered with the Market Supervision and Administration Bureau of Xiong County, with Wang Kuo as its legal representative. Its business scope includes the sale of PE water supply pipes, HDPE double wall corrugated pipes, PE steel strip reinforced spiral corrugated pipes, PE steel wire skeleton pipes, plastic inspection wells, MPP power pipes, CPVC power pipes, PVC water supply and drainage pipes, PVC line pipes, PPR water supply pipes, underfloor heating pipes, farmland irrigation pipes, electrical materials, hardware and electrical equipment, building construction materials (excluding dangerous goods), and municipal engineering materials (projects that require approval by relevant departments according to law). Business activities can only be carried out after approval.. Core products: Plastic Inspection Chamber, Steel Outlet, Bwfrp Fiber Woven Extruded Pipe

TOP4
Shaanxi Linsu Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-01-27
Registered Capital5180K CNY

Shaanxi Linsu Pipeline Technology Co., Ltd., with its registered address located in Guochu Logistics Park Pipeline Industrial Zone, Gaojing Avenue, Yongle Town, Jinghe New City, Xixian New Area, Shaanxi Province. The registration authority is Jinghe New City Branch of the Market Supervision Administration of Xixian New Area, Shaanxi Province, and the legal representative is Hu Shuchao. Its business scope includes general projects such as pipeline transportation equipment sales; Sales of rubber products; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of insulation materials; Sales of metal products; Sales of new metal functional materials; Operation of wires and cables; Sales of building decoration materials; Wholesale of hardware products; Manufacturing of plastic products; Rubber product manufacturing; Manufacturing of metal packaging containers and materials; Manufacturing of building waterproofing membrane products; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of non-metallic mineral products; Manufacturing of fiberglass and related products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Manufacturing of plastic packaging boxes and containers; Manufacturing of metal structures; Sales of metal packaging containers and materials; Sales of metal structures; Sales of building waterproofing membrane products; Sales of valves and plugs; Sales of steel reinforcement products for construction; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Sales of synthetic materials; Sales of high-quality synthetic rubber; Research and development of metal products; Sales of metal chains and other metal products; Sales of building materials; Sales of lightweight building materials; Retail of hardware products; Promotion services for new material technology; 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: Plastic Inspection Chamber, Steel Skeleton Composite Pipe, Cpvc Power Conduit

TOP5
Xiongxian Kaiqin Plastic Products Co., Ltd
Overall Score4.6 / 5
Est. Date2012-08-27
Registered Capital1000K CNY

Xiong County Kaiqin Plastic Products Co., Ltd. is located at No. 16, Zone 1, Xiangzhuang Village, Mijiawu Town, Xiong County, Baoding City, Hebei Province. It was established on August 27, 2012, with the registration authority of Xiong County Market Supervision Administration and the legal representative being Meng Siheng. Core products: Plastic Inspection Chamber, Floor Heating Pipe, Large Rail Bend

TOP6
Shanghai Mingguo Industrial Co., Ltd
Overall Score4.5 / 5
Est. Date2009-07-01
Registered Capital10000K CNY

Shanghai Mingguo Industrial Co., Ltd., with its registered address at No. 360 Zhangliantang Road, Liantang Town, Qingpu District, is registered with the Qingpu District Market Supervision Administration. The legal representative is Yu Pingying, and its business scope includes general projects such as production and processing of pipeline fittings, glass fiber reinforced plastic products, plastic products, electronic products, sales of self-produced products, non residential real estate leasing, technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion, and general cargo warehousing services (excluding projects that require permits and approvals such as hazardous chemicals). (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: Plastic Inspection Chamber, Hdpe Double Wall Winding Pipe, Hdpe Double Wall Corrugated Pipe

TOP7
Xiamen Tianjing New Material Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2020-07-20
Registered Capital1000K CNY

Xiamen Tianjing New Material Technology Co., Ltd., with its registered address at No. 3345-101 Guankou Avenue, Dingxu Village, Guankou Town, Jimei District, Xiamen City, is registered with the Market Supervision Administration of Jimei District, Xiamen City. The legal representative is Zheng Ruiqi, and the business scope includes general projects: promotion services for new material technology; Sales of building materials; Internet sales (except for the sale of goods that need to be licensed); Sales of metal materials; Sales of mechanical equipment; Sales of high-performance fibers and composite materials; Sales of graphene materials; Research and development of efficient and energy-saving technologies in the power industry; Research and development of efficient and energy-saving technologies in the mining industry; Sales of electrical and mechanical equipment; Sales of household audiovisual equipment; Municipal facility management; Wholesale of hardware products; Retail of hardware products; Sales of building decoration materials; Sales of metal based composite materials and ceramic based composite 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: Plastic Inspection Chamber

TOP8
Jiaheng Cement Products Factory in Jiaxiang County
Overall Score4.5 / 5
Est. Date2021-06-28
Registered Capital-

Jiaheng Cement Products Factory in Jiaxiang County, with its registered address located 100 meters west of Qianxiangshuikou Village, Mengguji Town. The registration authority is Jiaxiang County Market Supervision Administration, and the legal representative is Li Suojun. Its business scope includes general projects such as cement product manufacturing; Sales of cement products. (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: Plastic Inspection Chamber, Large Bending Distance Cement Pole, Cement Cover Plate

TOP9
Sichuan Ruixin Pipe Industry Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2020-05-26
Registered Capital10000K CNY

Sichuan Ruixin Pipe Industry Technology Co., Ltd., with its registered address at 906 Yong'an East Road, Chongyang Street, Chongzhou City, Chengdu City, Sichuan Province, is registered with the Chongzhou Market Supervision Administration Bureau and represented by Fu Wei as the legal representative. Its business scope includes the research and development of plastic pipes and fittings (excluding production and processing); Internet technology promotion service; Sales: Plastic products, building materials (excluding sand and gravel), steel pipes, composite materials, new materials, mechanical and electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Plastic Inspection Chamber, Corrugated Pipe, Cpvc Power Pipe

TOP10
Shandong Wenyuan Environmental Protection Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2011-07-20
Registered Capital240000K CNY

Shandong Wenyuan Environmental Protection Technology Co., Ltd., with its registered address at No. 6 Jingsan Road, Linzi District, Zibo City, Shandong Province, is registered with the Zibo Market Supervision Administration and represented by Qi Wen as its legal representative. Its business scope includes general projects such as water pollution control; Solid waste management; Air pollution control; Air pollution prevention and control services; Water pollution prevention and control services; Soil environmental pollution prevention and control services; Soil pollution control and remediation services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of chemical products (excluding licensed chemical products); Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of plastic products; Sales of plastic products; Sales of sanitary ceramic products; Sales of building materials; Mold manufacturing; Mold sales; Rubber product manufacturing; Sales of rubber products; Sales of office supplies; Research and development of new material technology; Labor services (excluding labor dispatch); Import and export of goods; Technology import and export. (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) Licensed project: construction project construction; Construction labor subcontracting. (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: Plastic Inspection Chamber, Water Supply Fittings

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Weihan Environmental Protection Equipment Co., Ltd2019-11-26Plastic Inspection Chamber, Cable Trench Cover, Fiberglass Cable Trench Channel10000K CNYSupported
Hebei Wohan Environmental Protection Equipment Co., Ltd2017-08-21Plastic Inspection Chamber, Fiberglass Flange, Fiberglass Acid Alkali Storage Tank3000K CNYSupported
Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd2022-06-07Plastic Inspection Chamber, Steel Outlet, Bwfrp Fiber Woven Extruded Pipe10680K CNYNot Supported
Shaanxi Linsu Pipeline Technology Co., Ltd2022-01-27Plastic Inspection Chamber, Steel Skeleton Composite Pipe, Cpvc Power Conduit5180K CNYSupported
Xiongxian Kaiqin Plastic Products Co., Ltd2012-08-27Plastic Inspection Chamber, Floor Heating Pipe, Large Rail Bend1000K CNYNot Supported
Shanghai Mingguo Industrial Co., Ltd2009-07-01Plastic Inspection Chamber, Hdpe Double Wall Winding Pipe, Hdpe Double Wall Corrugated Pipe10000K CNYNot Supported
Xiamen Tianjing New Material Technology Co., Ltd2020-07-20Plastic Inspection Chamber1000K CNYNot Supported
Jiaheng Cement Products Factory in Jiaxiang County2021-06-28Plastic Inspection Chamber, Large Bending Distance Cement Pole, Cement Cover Plate-Not Supported
Sichuan Ruixin Pipe Industry Technology Co., Ltd2020-05-26Plastic Inspection Chamber, Corrugated Pipe, Cpvc Power Pipe10000K CNYNot Supported
Shandong Wenyuan Environmental Protection Technology Co., Ltd2011-07-20Plastic Inspection Chamber, Water Supply Fittings240000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of plastic inspection wells, it is recommended to prioritize confirming key technical parameters such as well diameter, pressure rating, and connection method to ensure compatibility with existing drainage systems.
  • In municipal engineering or residential underground pipeline networks, the corrosion resistance and anti settlement performance of plastic inspection wells are key considerations, and corresponding specifications of wellbore structures need to be matched in different scenarios.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to reduce procurement risks.
  • The ring stiffness index of plastic inspection wells directly affects their service life. When purchasing, the appropriate grade should be selected based on soil conditions and burial depth requirements to avoid deformation problems in the later stage.

Knowledge Base

Q

The selection of plastic molds for inspection wells requires comprehensive consideration from multiple dimensions such as material, structural design, manufacturing process, technical characteristics, applicable scenarios, and equipment matching. The mold should have characteristics such as high precision, high strength, and wear resistance, and choose a solid or split structure based on specific engineering requirements. Modern molds often adopt CAD/CAM integrated design and surface treatment technology to improve molding quality and demolding efficiency. At the same time, it is necessary to consider the compatibility with production equipment and the convenience of later maintenance to ensure production efficiency and product consistency.

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