Updated Oct 18, 2026 · Public platform & industry data

Oct 18, 2026 Updated

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2026 Top 10 Waterproof Box Manufacturers in China

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

The top 10 Waterproof Box manufacturers in China for 2026 are: Shanghai Sprewell Electric Co., Ltd, Langfang Yihang Energy saving Technology Co., Ltd, Guangdong Derui Testing Equipment Co., Ltd, Hebei Ouyi Technology Group Co., Ltd, Nanyang Zhongtong Intelligent Technology Group Co., Ltd, Hebei Senma Steel Wood Furniture Co., Ltd, Dongguan Huanyi Instrument Technology Co., Ltd, Wuxi Banhe Precision Sheet Metal Co., Ltd, Beijing Zhongke Huajun Instrument Technology Co., Ltd, Shandong Zhongcheng Testing Equipment 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 Box, Waterproof Junction Box, Plastic Waterproof Distribution Box

Top 2
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Langfang Yihang Energy saving Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2023-03-07
Registered Capital3660K CNY

Langfang Yihang Energy saving Technology Co., Ltd., with its registered address in Xiliugezhuang Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Shi Huanqing, and its business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing and sales of insulation and sound insulation materials, lightweight building materials, fireproof sealing materials, refractory materials, coatings (excluding hazardous chemicals), ecological environment materials (excluding hazardous chemicals), glass fibers and products, sealing fillers (excluding hazardous chemicals), cement products, plastic products, asbestos products, seals, building waterproofing membranes, insulation materials, and chemical products (excluding licensed chemical products); Internet sales (except for the sale of goods that need to be licensed); 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; Construction professional operations; Road freight transportation (excluding dangerous goods). (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 Box, Rubber Adhesive, Rubber And Plastic Board

Top 3
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Guangdong Derui Testing Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2021-10-22
Registered Capital5000K CNY

Guangdong Derui Testing Equipment Co., Ltd., with its registered address at Room 113, Building 1, No. 3 Shugang Avenue, Hongmei Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Li Huan, and its business scope includes general projects such as sales of instruments and meters; Manufacturing of instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Mechanical equipment research and development; Mechanical equipment leasing; Manufacturing of testing machines; Sales of testing machines; Instrument and meter repair; Sales of industrial control computers and systems; Sales of mechanical equipment; Sales of mechanical parts and components; Specialized equipment repair; Installation services for ordinary mechanical equipment; Non residential real estate leasing; Import and export of goods. (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 Box, , Humidity Chamber

TOP4
Hebei Ouyi Technology Group Co., Ltd
Overall Score4.6 / 5
Est. Date2012-01-12
Registered Capital100060K CNY

Hebei Ouyi Technology Group Co., Ltd., registered at the Fiberglass City Industrial Park in Zaoqiang County, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Liu Jinhua, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Construction of earthwork engineering; Construction of metal doors and windows engineering; Biomass energy technology services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of plastic products; Sales of plastic products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Wastewater treatment and its recycling; Manufacturing of specialized machinery and equipment for water resources; Manufacturing of environmental emergency technology equipment; Sales of environmental emergency technical equipment; Rubber product manufacturing; Sales of rubber products; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Sales of coatings (excluding hazardous chemicals); Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of arts and crafts and ceremonial items (excluding ivory and its products); Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Bearing manufacturing; Manufacturing of bearings, gears, and transmission components; Bearing sales; Sales of bearings, gears, and transmission components; Manufacturing of gears, gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Manufacturing of enamel products; Sales of enamel products; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Sales of anti-corrosion materials; Sales of insulation materials; Professional design services; Sales of building materials; Housing rental; Non residential real estate leasing; Rental services (excluding licensed rental services); Contract energy management; Import and export of goods; Technology import and export; Production of gas appliances; Manufacturing of digital video surveillance systems; Sales of digital video surveillance systems; Integrated circuit manufacturing; Manufacturing of integrated circuit chips and products; Integrated circuit sales; Sales of integrated circuit chips and products; Manufacturing of electronic components; Retail of electronic components; Manufacturing of specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Integrated circuit chip design and services; Wholesale of electronic components; Electronic product sales; Manufacturing of power electronic components; Sales of power electronic components; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Information technology consulting services (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: special equipment manufacturing; Construction project construction; Construction professional operations; Construction project design; Construction labor subcontracting; Special equipment installation, renovation, and repair (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses). Core products: Waterproof Box, Fiberglass Inspection Well, Fiberglass Desulfurization Tower

TOP5
Nanyang Zhongtong Intelligent Technology Group Co., Ltd
Overall Score4.6 / 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: Waterproof Box, Energy Storage Air Conditioning, Explosion-Proof Surveillance

TOP6
Hebei Senma Steel Wood Furniture Co., Ltd
Overall Score4.5 / 5
Est. Date2019-05-05
Registered Capital15000K CNY

Hebei Senma Steel Wood Furniture Co., Ltd. is located at No. 34, Zone 5, Shenpo Village, Shenpo Town, Wuyi County, Hengshui City, Hebei Province. It was established on May 5, 2019, and registered with the Market Supervision Administration of Wuyi County, Hengshui City. The legal representative is Qiao Bo. Core products: Waterproof Box

TOP7
Dongguan Huanyi Instrument Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2007-03-20
Registered Capital10000K CNY

Dongguan Huanyi Instrument Technology Co., Ltd., registered at Room 101 and Room 201, Building 2, No. 3 Longkeng Xingye Road, Dongkeng Town, Dongguan City, Guangdong Province, with the registration authority of Dongguan Market Supervision Administration and the legal representative of Liu Yao, engages in research and development, production, and sales of testing instruments, meters, hardware products, electrical appliances, electronic materials, and general machinery and equipment; Maintenance and installation: testing instruments, meters, and electrical appliances; Mechanical equipment leasing; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Waterproof Box, Humidity Chamber , Three Comprehensive Test Chamber

TOP8
Wuxi Banhe Precision Sheet Metal Co., Ltd
Overall Score4.5 / 5
Est. Date2018-05-23
Registered Capital10000K CNY

Wuxi Banhe Precision Sheet Metal Co., Ltd., registered at 128 Xinyuan Road, Ehu Town, Xishan District, Wuxi City (within Huguang Printing), registered with the Xishan District Administrative Approval Bureau of Wuxi City, with Chen Chengzhou as the legal representative. Its business scope includes the manufacturing, processing, and sales of general machinery and accessories, as well as metal products; Sales of metal materials and hardware products; Utilize self owned funds for external investment; Import and export of various commodities and technologies through self operation and agency (excluding commodities 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: Waterproof Box, Stainless Steel Coil, Stainless Steel Tank

TOP9
Beijing Zhongke Huajun Instrument Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2018-11-26
Registered Capital3000K CNY

Beijing Zhongke Huajun Instrument Technology Co., Ltd., registered at 1139, 11th floor, Building 1, No. 13 Shuyuan South Street, Fangshan District, Beijing, registered with the Market Supervision Administration of Fangshan District, Beijing, with Yang Chuan as the legal representative. Its business scope includes technology development, technology services, technology transfer, and technology consulting (excluding intermediaries); Computer system integration; Sales of computer software and hardware, auxiliary equipment, instruments and meters, communication equipment (excluding satellite receiving equipment), mechanical equipment, environmental protection equipment and accessories, air purification equipment, hardware products, and metal products. (Market entities 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 approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Waterproof Box, Negative Oxygen Ion Monitoring System, Particle Counter

TOP10
Shandong Zhongcheng Testing Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2020-07-06
Registered Capital12000K CNY

Shandong Zhongcheng Testing Equipment Co., Ltd., with its registered address at Building 4, Lianli Creative Enterprise, Shanghai Road, Beijing Road Street, Rizhao Economic Development Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rizhao Economic Development Zone. The legal representative is Ding Heyang, and its business scope includes general projects such as testing machine manufacturing; Sales of testing machines; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Sales of instruments and meters; Electronic product sales; Sales of mechanical equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Software sales; Instrument and meter repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Mechanical equipment leasing; Import and export of goods; 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 Box, Rapid Temperature Change Testing Machine, Test Chamber

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Sprewell Electric Co., Ltd2011-06-20Waterproof Box, Waterproof Junction Box, Plastic Waterproof Distribution Box20410K CNYSupported
Langfang Yihang Energy saving Technology Co., Ltd2023-03-07Waterproof Box, Rubber Adhesive, Rubber And Plastic Board3660K CNYNot Supported
Guangdong Derui Testing Equipment Co., Ltd2021-10-22Waterproof Box, , Humidity Chamber 5000K CNYNot Supported
Hebei Ouyi Technology Group Co., Ltd2012-01-12Waterproof Box, Fiberglass Inspection Well, Fiberglass Desulfurization Tower100060K CNYSupported
Nanyang Zhongtong Intelligent Technology Group Co., Ltd2011-11-22Waterproof Box, Energy Storage Air Conditioning, Explosion-Proof Surveillance50000K CNYSupported
Hebei Senma Steel Wood Furniture Co., Ltd2019-05-05Waterproof Box15000K CNYSupported
Dongguan Huanyi Instrument Technology Co., Ltd2007-03-20Waterproof Box, Humidity Chamber , Three Comprehensive Test Chamber10000K CNYNot Supported
Wuxi Banhe Precision Sheet Metal Co., Ltd2018-05-23Waterproof Box, Stainless Steel Coil, Stainless Steel Tank10000K CNYNot Supported
Beijing Zhongke Huajun Instrument Technology Co., Ltd2018-11-26Waterproof Box, Negative Oxygen Ion Monitoring System, Particle Counter3000K CNYSupported
Shandong Zhongcheng Testing Equipment Co., Ltd2020-07-06Waterproof Box, Rapid Temperature Change Testing Machine, Test Chamber12000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of waterproof boxes, it is recommended to prioritize confirming the protection level (such as IP67/IP68) and material weather resistance. In outdoor industrial scenarios, additional attention should be paid to UV resistance and wide temperature adaptability.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information. In the field of electronic equipment warehousing and logistics transportation, suppliers with segmented scenario cases are more preferred.
  • Waterproof boxes with different volume specifications are suitable for medical equipment protection, ship instrument storage, and other scenarios. When purchasing, the structural strength of the box and the durability of the sealing strip need to be evaluated based on actual load-bearing requirements.
  • When purchasing waterproof boxes in the chemical industry, it is necessary to clarify the anti-corrosion requirements. The industry data support of suppliers can assist in judging the actual application performance of their products in acidic and alkaline environments.

Knowledge Base

Q

When choosing a waterproof and dustproof test box, attention should be paid to the matching degree of IP level, the material and process of the box body, and the accuracy of the temperature control system. This article analyzes how to determine the protection level based on product testing requirements, compares the durability differences between stainless steel and carbon steel, and explores the impact of circulating air duct design on experimental uniformity to help you make accurate selections.

Q

This article analyzes the characteristics and functions of waterproof water tanks, introduces their application in buildings and public facilities, and helps readers gain a deeper understanding of waterproof box related knowledge.

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