Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

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2026 Top 10 Rainproof Distribution Box Manufacturers in China

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Top-rated Rainproof Distribution Box suppliers, How to choose a Rainproof Distribution Box manufacturer, Best Rainproof Distribution Box companies in China

The top 10 Rainproof Distribution Box manufacturers in China for 2026 are: Nanyang Zhongtong Intelligent Technology Group Co., Ltd, Shanghai Shuni Refrigeration Equipment Co., Ltd, Nanyang Zhongtong Technology Holdings Co., Ltd, Guangdong Yichengfa Technology Group Co., Ltd, Guangzhou Lai'an Intelligent System Development Co., Ltd, Guangzhou Longji Power Transmission and Distribution Equipment Co., Ltd, Wenzhou Guirong Explosion proof Electrical Co., Ltd, Sichuan Yongyeda Electrical Equipment Co., Ltd, Yunnan Sihui Electrical Equipment Co., Ltd, Shandong Port Electric 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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Nanyang Zhongtong Intelligent Technology Group Co., Ltd
Overall Score4.9 / 5
Est. Date2011-11-22
Registered Capital50000K CNY

Nanyang Zhongtong Intelligent Technology Group Co., Ltd. is registered at No. 61 Xingda East Road, Tanghe County Industrial Agglomeration Zone, Nanyang City, Henan Province. The registration authority is Tanghe County Market Supervision and Administration Bureau, and the legal representative is Cai Quan. The business scope includes explosion-proof motors, explosion-proof distribution devices, explosion-proof switch control and protection products, explosion-proof starters, explosion-proof transformers, explosion-proof actuators, explosion-proof plug-in devices, explosion-proof monitoring, explosion-proof communication signal devices, explosion-proof air conditioning ventilation devices, explosion-proof heaters, explosion-proof accessories, etc Research and development, production, sales, maintenance, and technical services of Ex components, explosion-proof instruments, explosion-proof sensors, safety barriers, explosion-proof instrument boxes, explosion-proof fans, explosion-proof lamps, lighting fixtures, positive pressure explosion-proof rooms, metal structures, sheet metal cabinets, high and low voltage complete sets of equipment, low voltage electrical appliances, industrial automation control systems, intelligent distribution systems, combustion and control equipment, environmental protection products, optoelectronic integrated products, computer software and information system integration, refrigeration, air conditioning, purification equipment, and air conditioning accessories; Installation and maintenance of explosion-proof electrical equipment, explosion-proof lighting fixtures, lighting fixtures, monitoring and communication equipment, and electromechanical equipment; Engaged in import and export trade of goods and technology. For licensed business projects, relevant department licenses must be obtained before operating. Core products: Rainproof Distribution Box, Energy Storage Air Conditioning, Explosion-Proof Surveillance

Top 2
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Shanghai Shuni Refrigeration Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2007-12-17
Registered Capital20000K CNY

Shanghai Shuni Refrigeration Equipment Co., Ltd., registered at Zone C, 2nd Floor, Building 3, No. 128 Hui'an Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, with Liu Min as the legal representative. Its business scope includes general projects such as refrigeration and air conditioning equipment manufacturing; Manufacturing of household appliances; Sales of refrigeration and air conditioning equipment; Sales of mechanical equipment; Mechanical equipment leasing; Sales of household appliances; Mechanical equipment research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Installation services for ordinary mechanical equipment; Home appliance installation services; Specialized equipment repair; General equipment repair; Electrical equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Import and export of goods; Technology import and export; Office services; Translation services; Packaging services; Electronic product sales. (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: Rainproof Distribution Box, Specialized Air Conditioning, Prefabricated Cabin Dedicated Air Conditioning

Top 3
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Nanyang Zhongtong Technology Holdings Co., Ltd
Overall Score4.7 / 5
Est. Date2023-09-11
Registered Capital10000K CNY

Nanyang Zhongtong Technology Holdings Co., Ltd., located at No. 61 Xingda East Road, Xingtang Street, Tanghe County, Nanyang City, Henan Province, was established on September 11, 2023. The registration authority is the Market Supervision Administration of Tanghe County, Nanyang City, and the legal representative is Cai Quan. Core products: Rainproof Distribution Box

TOP4
Guangdong Yichengfa Technology Group Co., Ltd
Overall Score4.6 / 5
Est. Date2010-11-23
Registered Capital30000K CNY

Guangdong Yichengfa Technology Group Co., Ltd., with its registered address at 101, Building 2, No. 218 Jinbi Road, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, is registered with the Pingshan Supervision Bureau of the Shenzhen Municipal Administration for Market Regulation. The legal representative is Wang Quanhong, and the business scope includes the production and processing of hardware products (cable trays, trunking, conduit) and distribution cabinets; Technical development and sales of hot-dip galvanized steel pipes, cable trays, electronic products, and hardware building materials; Finished product supports and hangers, seismic supports, design, production, installation, and construction; Domestic trade, import and export of goods and technology (excluding projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council); Ordinary freight (Road Transport Business License valid until July 18, 2015)^. Core products: Rainproof Distribution Box, Double Double Box, Wiring And Wiring

TOP5
Guangzhou Lai'an Intelligent System Development Co., Ltd
Overall Score4.6 / 5
Est. Date2002-06-20
Registered Capital10000K CNY

Guangzhou Lai'an Intelligent System Development Co., Ltd., registered at Room 102, No. 4 Zhisheng Street, Lingbian Village, Shiji Town, Panyu District, Guangzhou, registered with the Market Supervision Administration of Panyu District, Guangzhou, with Zhou Nanxiong as the legal representative. Its business scope includes software development; Intelligent installation engineering services; Computer network system engineering services; Wholesale trade of goods (excluding licensed and approved goods); Retail trade of goods (excluding licensed and approved goods);. Core products: Rainproof Distribution Box, Computer Room Construction, Pdu

TOP6
Guangzhou Longji Power Transmission and Distribution Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2007-02-17
Registered Capital60800K CNY

Guangzhou Longji Power Transmission and Distribution Equipment Co., Ltd., with its registered address at No. 16 Lianyun Yiheng Road, Shiqi Town, Panyu District, Guangzhou City (Building 2), registered with the Panyu District Market Supervision and Administration Bureau of Guangzhou City, and represented by Zou Xuehua as its legal representative. Its business scope includes the manufacturing of power facilities and equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of distribution switch control equipment; Manufacturing of electrical accessories; Manufacturing of photovoltaic equipment and components; Manufacturing of electrical equipment; Manufacturing of capacitors and their supporting equipment; Manufacturing of power electronic components; Manufacturing of metal structures; Manufacturing of mechanical and electrical equipment; Sales of distribution switch control equipment; Sales of electrical equipment; Sales of power electronic components; Sales of electrical and mechanical equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of advanced power electronic devices; Sales of industrial automatic control system devices; Sales of labor protection equipment; Wholesale of electronic components; Sales of firefighting equipment; Sales of metal structures; Sales of metal products; Operation of wires and cables; Sales of metal materials; Sales of electrical equipment; Sales of specialized equipment, key systems, and components for rail transit; Sales of specialized equipment for environmental protection; Research and development of metal products; Research and development of distribution switch control equipment; Non residential real estate leasing; estate management; Import and export of goods; Technology import and export; import and export agency. Core products: Rainproof Distribution Box, Explosion Proof Distribution Cabinet, Distribution Cabinet

TOP7
Wenzhou Guirong Explosion proof Electrical Co., Ltd

No. 177 Xiangbei East Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province

Overall Score4.5 / 5
Est. Date2022-12-13
Registered Capital20000K CNY

Wenzhou Guirong Explosion proof Electrical Co., Ltd. is located at 177 Xiangbei East Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province. It was established on December 13, 2022, with the registration authority of Yueqing Market Supervision Administration and the legal representative being Liu Honglin. Core products: Rainproof Distribution Box

TOP8
Sichuan Yongyeda Electrical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2022-03-22
Registered Capital20000K CNY

Sichuan Yongyeda Electrical Equipment Co., Ltd., with its registered address at No. 850 Gangtong North Fourth Road, Modern Industrial Port North Area, Pidu District, Chengdu City, Sichuan Province, is registered with the Pidu District Market Supervision and Administration Bureau. The legal representative is Ma Qiang, and its business scope includes general projects such as power transmission and distribution and control equipment manufacturing; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of specialized electrical and mechanical equipment; Manufacturing of distribution switch control equipment; Manufacturing of photovoltaic equipment and components; Manufacturing of power electronic components; Manufacturing of mechanical and electrical equipment; Manufacturing of power facilities and equipment; Manufacturing of metal structures; Sales of intelligent power transmission and distribution and control equipment; Sales of power facilities and equipment; Sales of power electronic components; Sales of mechanical and electrical equipment; Sales of photovoltaic equipment and components; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of metal structures; Operation of wires and cables; Sales of lightweight building materials; Sales of building materials; Sales of mechanical parts and components; Wholesale of hardware products; Software development. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: manufacturing of wires and cables; Construction project construction. (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: Rainproof Distribution Box, Foundation Box, Meter Box

TOP9
Yunnan Sihui Electrical Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2014-04-17
Registered Capital22860K CNY

Yunnan Sihui Electrical Equipment Co., Ltd., registered at No. 811, Building 2, Yunnan Overseas Returnees Entrepreneurship Park, No. 80 Chunman Avenue, Information Industry Base, Luoyang Street Office, Kunming Economic Development Zone, China (Yunnan) Pilot Free Trade Zone, with Kunming Market Supervision and Administration Bureau as the registration authority and Guo Heng as the legal representative. Its business scope includes the research and development, design, manufacturing, and sales of high and low voltage complete electrical equipment and new energy vehicle charging piles; Operation of new energy vehicle charging infrastructure; Sales and leasing services for new energy vehicles; Design, construction, and installation of solar photovoltaic power generation projects; Sales of wires and cables, electrical equipment, electronic products, building materials, solar cells, and module products; Import and export business of goods and technology (excluding hazardous chemicals, ammonia related refrigeration industry, and nationally restricted prohibited products) (not allowed to engage in restricted or prohibited industries in the industrial policies of the Economic Development Zone) (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Rainproof Distribution Box, Cable Branch Box, Intelligent Distribution Box

TOP10
Shandong Port Electric Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2024-01-03
Registered Capital66000K CNY

Shandong Port Electric Technology Co., Ltd., registered at Jiaoxi Industrial Park, Jiaoxi Street, Jiaozhou City, Qingdao City, Shandong Province, is located at the east end of Ping'an Avenue on the south side of Hejiatun Village. The registration authority is Jiaozhou Market Supervision Administration, and the legal representative is Kuang Yuanke. The business scope includes general projects such as research and development of high-efficiency energy-saving technologies in the power industry; Sales of artificial intelligence hardware; Manufacturing of non-ferrous metal alloys; Manufacturing of electrical equipment; Operation of wires and cables; Sales of mechanical and electrical equipment; Information technology consulting services; Manufacturing of power facilities and equipment; Sales of generators and generator sets; Sales of household appliances; Manufacturing of electronic components and electromechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Engineering and technical research and experimental development; Manufacturing of electrical signal equipment devices; Information system integration services; Sales of advanced power electronic devices; Import and export of goods; Manufacturing of distribution switch control equipment; Research and development of emerging energy technologies; Information consulting services (excluding licensed information consulting services); Retail of hardware products; Sales of power electronic components; Complete sets of nuclear power equipment and engineering technology research and development; Sales of building materials; Research and development of motors and their control systems; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of mechanical and electrical equipment; Sales of electrical equipment; Wholesale of electronic components; Electrical equipment repair; Research and development of distribution switch control equipment; Sales of power facilities and equipment; Mechanical equipment research and development; Solar power generation technology services; Sales of communication equipment; Sales of office equipment; Wholesale of hardware products; Sales of distribution switch control equipment; Sales of photovoltaic equipment and components; Sales of firefighting equipment; Technical services for on-site assessment of fire safety acceptance in construction projects. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: inspection and testing services; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Construction project construction; Power generation business, transmission business, and power supply (distribution) business; Manufacturing of wires and cables; 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: Rainproof Distribution Box, Switchgear, Transformer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Nanyang Zhongtong Intelligent Technology Group Co., Ltd2011-11-22Rainproof Distribution Box, Energy Storage Air Conditioning, Explosion-Proof Surveillance50000K CNYSupported
Shanghai Shuni Refrigeration Equipment Co., Ltd2007-12-17Rainproof Distribution Box, Specialized Air Conditioning, Prefabricated Cabin Dedicated Air Conditioning20000K CNYNot Supported
Nanyang Zhongtong Technology Holdings Co., Ltd2023-09-11Rainproof Distribution Box10000K CNYSupported
Guangdong Yichengfa Technology Group Co., Ltd2010-11-23Rainproof Distribution Box, Double Double Box, Wiring And Wiring30000K CNYNot Supported
Guangzhou Lai'an Intelligent System Development Co., Ltd2002-06-20Rainproof Distribution Box, Computer Room Construction, Pdu10000K CNYSupported
Guangzhou Longji Power Transmission and Distribution Equipment Co., Ltd2007-02-17Rainproof Distribution Box, Explosion Proof Distribution Cabinet, Distribution Cabinet60800K CNYSupported
Wenzhou Guirong Explosion proof Electrical Co., Ltd2022-12-13Rainproof Distribution Box20000K CNYSupported
Sichuan Yongyeda Electrical Equipment Co., Ltd2022-03-22Rainproof Distribution Box, Foundation Box, Meter Box20000K CNYSupported
Yunnan Sihui Electrical Equipment Co., Ltd2014-04-17Rainproof Distribution Box, Cable Branch Box, Intelligent Distribution Box22860K CNYNot Supported
Shandong Port Electric Technology Co., Ltd2024-01-03Rainproof Distribution Box, Switchgear, Transformer66000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of rainproof distribution boxes, it is recommended to prioritize confirming the protection level (such as IP65) and material corrosion resistance. In outdoor scenarios, additional attention should be paid to the box's UV resistance and sealing structure design.
  • When selecting suppliers, reference can be made to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support. There are differences in the load capacity requirements for distribution boxes in different application scenarios such as industrial plants or construction sites.
  • In highly corrosive environments such as chemical or coastal areas, it is recommended to choose stainless steel enclosures and verify the moisture resistance parameters of internal components, while ensuring that suppliers can provide technical solutions that meet regional climate conditions.
  • When purchasing, products can be selected based on physical specifications such as the installation method of the distribution box (wall mounted/pole mounted) and the direction of incoming and outgoing lines. Urban power renovation and temporary power projects usually have different requirements for box size and portability.

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