Updated Sep 4, 2026 · Public platform & industry data

Sep 4, 2026 Updated

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2026 Top 10 Waterproof Pc Case Manufacturers in China

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Top-rated Waterproof Pc Case suppliers, How to choose a Waterproof Pc Case manufacturer, Best Waterproof Pc Case companies in China

The top 10 Waterproof Pc Case manufacturers in China for 2026 are: Shanghai Sprewell Electric Co., Ltd, Shanghai Chonghai Electronics Co., Ltd, Shanghai Qinlan Electrical System Engineering Co., Ltd, Dongguan Changping Qingcheng Plastic Raw Material Business Department (Individual Industrial and Commercial Household), Beijing Mingruisi Technology Co., Ltd, Guangzhou Yima Electric Co., Ltd, Bisheng Yi Electric (Shanghai) Co., Ltd, Wuxi Hongye Automation Engineering Co., Ltd, Zhejiang Tianqi Electric Co., Ltd, Zhejiang Jianguan Electric 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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Shanghai Sprewell Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2011-06-20
Registered Capital20410K CNY

Shanghai Spweier Electric Co., Ltd., registered at 4th floor, No. 10, Lane 388, Luodian Road, Baoshan District, Shanghai, with the registration authority of Baoshan District Market Supervision Administration and the legal representative of Xie Qiuhua, has a business scope including general projects: research and development of distribution switch control equipment; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of cloud computing devices; Wholesale of hardware products; Sales of mechanical parts and components; Sales of plastic products; Sales of refrigeration and air conditioning equipment; Sales of mechanical and electrical equipment; Sales of lighting fixtures; Sales of information security equipment; Sales of lighting fixtures; Sales of power electronic components; Mold sales; Sales of fans and blowers; Sales of photovoltaic equipment and components; Solar power generation technology services; Rental of photovoltaic power generation equipment; Import and export of goods; Technology import and export; Sales of electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of paper 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: Waterproof Pc Case, Assembled Distribution Box, 10% Off/16% Off Cabinet (Modular Cabinet)

Top 2
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Shanghai Chonghai Electronics Co., Ltd
Overall Score4.7 / 5
Est. Date2003-03-13
Registered Capital10500K CNY

Shanghai Chonghai Electronics Co., Ltd., with its registered address at Room A3050, No. 3, Lane 1755, Zhangbei Road, Nanxiang Town, Jiading District, is registered with the Jiading District Market Supervision Administration. The legal representative is Chen Wei, and its business scope includes general projects such as electronic product sales; Retail of electronic components; Sales of power electronic components; Retail of computer software, hardware, and auxiliary equipment; Sales of distribution switch control equipment; Retail of hardware products; Retail of automotive spare parts; Retail of motorcycles and spare parts; Sales of mechanical equipment; Sales of lighting fixtures; Import and export of goods; Repair of communication equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Waterproof Pc Case, Fiberglass Electrical Box, Waterproof Box

Top 3
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Shanghai Qinlan Electrical System Engineering Co., Ltd
Overall Score4.7 / 5
Est. Date2012-02-21
Registered Capital11000K CNY

Shanghai Qinlan Electrical System Engineering Co., Ltd., registered at Room 1001, 10th Floor, Building 14, No. 98 Fulian 1st Road, Baoshan District, Shanghai, with the registration authority of Baoshan District Market Supervision and Administration Bureau and the legal representative He Yong, the business scope includes general projects: manufacturing of distribution switch control equipment; Manufacturing of electrical accessories; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power facilities and equipment; Sales of electrical equipment; Sales of mechanical and electrical equipment; Sales of mechanical equipment; Sales of instruments and meters; Sales of electrical accessories; Furniture sales; Sales of lubricating oil; Sales of office supplies; Sales of labor protection equipment; Sales of power facilities and equipment; Sales of electronic components and electromechanical equipment; Sales of communication equipment; Sales of refrigeration and air conditioning equipment; Operation of wires and cables; Sales of communication equipment; Sales of electrical signal equipment devices; Wholesale of computer software, hardware, and auxiliary equipment; Sales of lighting fixtures; Sales of wind and electric tools; Wholesale of hardware products; Sales of household appliances; Electronic product sales; Installation services for ordinary mechanical equipment; Electrical equipment repair; Engineering and technical services (excluding planning management, survey, design, and supervision); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of power electronic components; Sales of security equipment; Sales of Class I medical devices; Sales of firefighting equipment; Sales of chemical products (excluding licensed chemical products); Technology import and export; Import and export of goods. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Electrical installation services. (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: Waterproof Pc Case, High-Voltage Distribution Cabinet, Waterproof Junction Box

TOP4
Dongguan Changping Qingcheng Plastic Raw Material Business Department (Individual Industrial and Commercial Household)
Overall Score4.6 / 5
Est. Date2024-07-10
Registered Capital-

Dongguan Changping Qingcheng Plastic Raw Material Business Department (Individual Industrial and Commercial Household), registered address at Room 102, No. 47, Maiyuan Yongchang Street, Changping Town, Dongguan City, Guangdong Province, registered with the Dongguan Market Supervision Administration Bureau, with Pan Yuniu as the legal representative. Its business scope includes general projects: sales of synthetic materials; Sales of engineering plastics and synthetic resins; Sales of plastic 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: Waterproof Pc Case, High Temperature Engineering Plastics, Thermoplastic Elastomer

TOP5
Beijing Mingruisi Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2011-10-24
Registered Capital1000K CNY

Beijing Mingruisi Technology Co., Ltd., with its registered address at 1514, 15th floor, Building 5, No. 10 Jinsha West Street, Mentougou District, Beijing. The registration authority is the Market Supervision Administration of Mentougou District, Beijing, and the legal representative is Zhao Duozhi. Its business scope includes technology development, technology consulting, and technology services; Product design; Sell mechanical equipment, electrical equipment, hardware products (excluding electric vehicles), plastic products, and building materials. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Waterproof Pc Case, High Current Socket, Industrial Plug

TOP6
Guangzhou Yima Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2021-05-18
Registered Capital1000K CNY

Guangzhou Yima Electric Co., Ltd., with its registered address at Room 810, No. 118 Guangshen Avenue Middle, Xintang Town, Zengcheng District, Guangzhou City. The registration authority is the Market Supervision Administration of Zengcheng District, Guangzhou City, and the legal representative is Yang Hongbin. Its business scope includes the manufacturing of electrical accessories; Wholesale of automotive spare parts; Sales of instruments and meters; Sales of household appliance spare parts; Sales of household appliances; Manufacturing of household appliances; Research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Sales of electrical accessories; Sales of distribution switch control equipment;; Technology import and export; Import and export agency; The import and export of goods under state-owned trade management; Import and export of goods;. Core products: Waterproof Pc Case, Ld Series (Screw Type), He Series (Hinge Buckle Type)

TOP7
Bisheng Yi Electric (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date2013-06-27
Registered Capital5000K CNY

Bishengyi Electric (Shanghai) Co., Ltd., with its registered address at Room 80, Building E, No. 1-42, Lane 83, Hongxiang North Road, Lingang New Area, China (Shanghai) Pilot Free Trade Zone, is registered with the Market Supervision and Administration Bureau of Lingang New Area, with Luan Jing as its legal representative. Its business scope includes the manufacturing and sales of complete sets of high and low voltage electrical equipment, wires and cables, lighting appliances, electronic components, instruments and meters, engineering building materials, rubber products, plastic products, household appliances, environmental protection equipment, hardware machinery, installation services for mechanical and electrical equipment, and the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Waterproof Pc Case, Industrial Socket, Vcs Visual Isolation Switch Box

TOP8
Wuxi Hongye Automation Engineering Co., Ltd
Overall Score4.5 / 5
Est. Date1996-05-20
Registered Capital16000K CNY

Wuxi Hongye Automation Engineering Co., Ltd., with its registered address at No. 20 Honghu Road, Luoshe Supporting Area, Huishan Economic Development Zone, Wuxi City, registered with the Huishan District Administrative Approval Bureau of Wuxi City, and represented by Xu Xiaoming as the legal representative. Its business scope includes licensed projects such as building intelligent system design; Construction project design; Construction project construction; Special equipment design; Manufacturing of special equipment; Electrical installation services; Heating services (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General projects: research and development of distribution switch control equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of industrial automatic control system devices; Manufacturing of capacitors and their supporting equipment; Manufacturing of instruments and meters; Manufacturing of electronic components; Manufacturing of metal structures; Mining machinery manufacturing; Manufacturing of ovens, furnaces, and electric furnaces; Engineering and technical research and experimental development; Thermal production and supply; Manufacturing of IoT devices; Industrial robot manufacturing; Manufacturing of specialized teaching instruments; Manufacturing of new energy prime mover equipment; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of environmental emergency technology equipment; Manufacturing of sludge treatment equipment; Manufacturing of refrigeration and air conditioning equipment; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Intelligent control system integration; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Development of artificial intelligence application software; Artificial intelligence industry application system integration services; Information system integration services; Internet of Things technology services; Internet of Things application services; Industrial Internet data service; Technology promotion and application services; Professional design services; Industrial engineering design services; Engineering and technical services (excluding planning management, survey, design, and supervision); Air pollution prevention and control services; Water pollution prevention and control services; Installation services for ordinary mechanical equipment; Installation and maintenance of industrial robots; Specialized equipment repair; Enterprise management consulting; Educational consulting services (excluding educational and training activities related to license approval); Socio economic consulting services; Sales of special equipment; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of industrial automatic control system devices; Sales of power electronic components; Sales of instruments and meters; Sales of IoT devices; Sales of industrial robots; Sales of metal structures; Sales of mining machinery; Sales of ovens, furnaces, and electric furnaces; Sales of specialized teaching instruments; Sales of specialized equipment for environmental protection; Sales of environmental emergency technical equipment; Sales of refrigeration and air conditioning equipment; Sales of industrial control computers and systems; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Import and export of goods; Technology import and export; Import and export agency (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: Waterproof Pc Case, , Air Heater

TOP9
Zhejiang Tianqi Electric Co., Ltd
Overall Score4.3 / 5
Est. Date2006-08-29
Registered Capital78994.803K CNY

Zhejiang Tianqi Electric Co., Ltd., with its registered address at Tianzi Lake Modern Industrial Park in Anji, Zhejiang, is registered with the Anji County Market Supervision and Administration Bureau, and its legal representative is Li Haiyan. Its business scope includes the production and sales of high and low voltage complete electrical switchgear and control equipment, automation intelligent control equipment, box type substations, industrial plugs, sockets and couplers, high and low voltage electrical appliances, instruments and meters, building hardware, lighting and plumbing equipment series products, new energy vehicle charging piles, charging network monitoring, intelligent charging system platforms, and electric vehicle conduction connection devices. Technical development, consulting, services, and transfer of electrical and mechanical equipment; Rental and service of electrical and mechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Waterproof Pc Case, Gulen Head, Socket

TOP10
Zhejiang Jianguan Electric Co., Ltd
Overall Score4.3 / 5
Est. Date2021-06-29
Registered Capital20100K CNY

Zhejiang Jianguan Electric Co., Ltd., registered in Jinlou Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, with the registration authority of Yueqing Market Supervision Administration and the legal representative of Wang Baofei, has a business scope including general projects: manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of hardware products; Retail of hardware products; Manufacturing of electrical equipment; Sales of electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Wire and cable business (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: Import and export of goods; Technology import and export; Manufacturing of wires and cables (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Waterproof Pc Case, Explosion-Proof Box,

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Sprewell Electric Co., Ltd2011-06-20Waterproof Pc Case, Assembled Distribution Box, 10% Off/16% Off Cabinet (Modular Cabinet)20410K CNYSupported
Shanghai Chonghai Electronics Co., Ltd2003-03-13Waterproof Pc Case, Fiberglass Electrical Box, Waterproof Box10500K CNYSupported
Shanghai Qinlan Electrical System Engineering Co., Ltd2012-02-21Waterproof Pc Case, High-Voltage Distribution Cabinet, Waterproof Junction Box11000K CNYSupported
Dongguan Changping Qingcheng Plastic Raw Material Business Department (Individual Industrial and Commercial Household)2024-07-10Waterproof Pc Case, High Temperature Engineering Plastics, Thermoplastic Elastomer-Not Supported
Beijing Mingruisi Technology Co., Ltd2011-10-24Waterproof Pc Case, High Current Socket, Industrial Plug1000K CNYNot Supported
Guangzhou Yima Electric Co., Ltd2021-05-18Waterproof Pc Case, Ld Series (Screw Type), He Series (Hinge Buckle Type)1000K CNYSupported
Bisheng Yi Electric (Shanghai) Co., Ltd2013-06-27Waterproof Pc Case, Industrial Socket, Vcs Visual Isolation Switch Box5000K CNYNot Supported
Wuxi Hongye Automation Engineering Co., Ltd1996-05-20Waterproof Pc Case, , Air Heater16000K CNYSupported
Zhejiang Tianqi Electric Co., Ltd2006-08-29Waterproof Pc Case, Gulen Head, Socket78994.803K CNYNot Supported
Zhejiang Jianguan Electric Co., Ltd2021-06-29Waterproof Pc Case, Explosion-Proof Box, 20100K CNYSupported

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