WAFU Brothers Company Reception

About Us

WAFU Brothers (Shenzhen) Automation Technology Co., Ltd. is a high-tech manufacturer specializing in the research, development, production, and sales of various types of leak testers, sealing integrity testing systems, IPX waterproof testing equipment, and customized fixtures and tooling. Its products are widely used in industries such as automotive, medical devices, aerospace, defense, consumer electronics, security systems, and home appliances.

With 17 years of industry experience, WAFU Brothers has provided products and services to over 8,000 customers worldwide, including well-known domestic and international enterprises such as Audi, BYD, Xiaomi, and General Motors. The company’s market presence spans across the globe.

The company is supported by a professional R&D team, a dedicated pre-sales and after-sales service team, and modern manufacturing facilities. From product design and quality to customer experience, as well as software and hardware development, every detail reflects the team’s commitment and focus. WAFU Brothers consistently upholds the principle that “providing optimal leak testing solutions and satisfactory service to customers” is its top priority.

Development History

WAFU Brothers (Shenzhen) Automation Technology Co., Ltd. was founded in 2009. For 16 years, it has been dedicated to the R&D and production of high-precision leak testing equipment, waterproof testers, sealing inspection instruments, and leak detectors, serving over 8,000 clients worldwide.

2009

Company Founded

Focused on the R&D of leak testing technology, initially established a research team, benchmarked against international advanced technologies, and launched the first direct-pressure leak tester, laying the foundation for the industry.

2012

Technological Breakthrough

Released the second-generation leak tester, specifically addressing the instability issue of high-pressure solenoid valves. Obtained three core patents, with accuracy improved to 0.1 Pa.

2020

Business Expansion

Launched automated testing systems, entered the new energy battery sector, and obtained the certification as a National High-Tech Enterprise.

2025

Global Expansion

Established deep cooperation with several leading new energy enterprises, promoted the implementation of automated battery leak testing equipment, surpassed 8,000 global clients, set up overseas technical service centers, exported products to over 30 countries, and achieved an accuracy level of 0.02% FS.

High-Precision Leak Testing Equipment

High-precision leak testing equipment for applications across various industries

Latest Leak Tester

Latest Leak Tester

The latest leak tester from WaFu Brothers adopts a higher-precision microcontroller integrated solution, achieving an accuracy of 0.1Pa. It meets the needs of high-precision seal testing, leak point detection, and airtightness testing.

Accuracy: 0.1Pa Fast Testing
Multifunctional Air Leak Testing All-in-One Machine.

Leak & Water Immersion Tester

Leak & Water Immersion Tester it is a high-end multifunctional all-in-one product featuring a dual-station design, capable of performing both positive pressure sealing tests and water immersion tests on products.

Sensitivity: 0.01Pa Dual-Station Testing
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Leak Point Detector

Leak Point Detector

This product is a high-precision leak point detector, also known as a water leakage tester, designed to check product sealing and locate leaks. By applying water pressure, it accurately identifies leak points, helping companies detect sealing issues in production and design promptly.

Test Range: 0~90KPa Simulates Water Depth up to 300 meters
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Technical Advantages

Committed to innovation and quality, we have become an industry leader in leak testing technology.

High Precision

Our leak testers deliver industry-leading precision up to 0.01 Pa, ensuring consistent and reliable results even in the most demanding applications.

Advanced Technology

Continuous R&D investment ensures our products are equipped with the latest technologies, providing cutting-edge leak testing solutions.

High Reliability

Built with durable structures and premium components, our equipment ensures long-term stability and low maintenance costs.

Exceptional Support

Our technical team provides comprehensive support, including installation training, maintenance, and consultation to ensure a worry-free user experience.

Customized Solutions

We specialize in customizing leak testing solutions tailored to the specific needs of each customer and industry, helping optimize production efficiency.

Global Service

With a global sales and service network, we provide timely technical support and after-sales service to customers worldwide.

Our Certifications & Patents

FCC Certification

FCC Certified

CE Certification

CE Certified

Trusted Enterprise Certification

Trusted Enterprise

Patent Certification

50+ Patents

WAFU Impression

WAFU Brothers (Shenzhen) Automation Technology Co., Ltd. real scene overview. We sincerely welcome you to visit and explore in person.
On-site, we provide customized leak testing solutions for your products.

WAFU Brothers Company Exterior
WAFU Brothers Production Line
WAFU Brothers Reception
WAFU Brothers Workshop
Leak Tester Showroom
WAFU Brothers Office Entrance
WAFU Brothers Office Area
WAFU Brothers Workshop Corridor

Cooperation Cases

WAFU Brothers cooperates with well-known domestic and international enterprises, providing professional sealing testing solutions and customized leak testers. We look forward to your partnership, and we will provide you with the most attentive and professional technical service!

Audi Group Cooperation Model
BYD Cooperation Model
GAC Group Cooperation Model
General Motors Cooperation Model

Air Tightness Testing Solutions

Transportation Components

Transportation Components

Transportation Components

Fuel tanks, automotive lighting waterproof testing, engine part leak detection, vehicle cameras, charging guns, and more.

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Electronic Devices

Electronic Devices

Electronic Devices

Waterproof, dustproof, and leak testing for irrigators, smartphones, earphones, Type-C connectors, and more.

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Medical Equipment

Medical Equipment

Medical Equipment

Leak testing for electronic sphygmomanometers, IV tubing, sealed pouches, laparoscopic trocars, and more.

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Security & Lighting

Security & Lighting

Security & Lighting

Leak testing for surveillance cameras, LED lights, displays, radars, base stations, geophysical sampling equipment, hydrological and environmental monitoring instruments.

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Hardware Die Casting

Hardware Die Casting

Hardware Die Casting

Leak testing for automotive die-cast parts, marine die-cast parts, stamped aluminum sheets, and other mold products.

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Smart Home

Smart Home

Smart Home

Leak testing for smart home products like kettles, juicers, water dispensers, electric water heaters, and filter chambers.

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Industry Insights

Latest articles on leak testing technology!

Technical Articles

New Energy Battery Leak Testing White Paper: Safety Baseline & Efficiency Revolution

March 28, 2026

With the explosive growth of the new energy vehicle and energy storage markets, battery safety has become the absolute focus of the industry. As a core method to prevent thermal runaway and ensure IP67 and even IP68 protection ratings, leak testing has evolved from an auxiliary process into a “lifeline” process in battery manufacturing.

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How to Choose a Leak Tester ? 5 Key Parameters That Determine Testing Accuracy

March 25, 2026

With the rapid development of industries such as new energy vehicles, medical devices, and consumer electronics, leak testing has become a critical process to ensure product quality. A suitable leak tester can not only help manufacturers intercept defective products with poor sealing, but also significantly reduce after-sales failure rates. However, with so many brands and models available, how do you choose the most suitable testing equipment for your products?

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Testing Cases

Automotive filter

A Sealing Issue Ignored by 99%: Real Case Analysis of Automotive Filter Leak Testing

April 16, 2026

Automotive filters are the “filtration devices” in vehicles. Their core structure typically consists of filter paper + sealing ring + housing, responsible for removing impurities, dust, and particles from fluids or air entering key automotive systems (such as engines and air conditioning systems), ensuring system cleanliness and proper operation.

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Relay

How to Prevent Relay Failure Caused by Water Ingress? This Leak Testing Solution Has the Answer

March 21, 2026

A relay is an automatic switching device based on electromagnetic or electronic principles that enables low-power signals to control the on/off of high-power circuits. It is widely used in electrical control and automation systems.

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Automotive Lamp Components

Many factories overlook this! Automotive Lamp Components production sealing quality risks

March 10, 2026

Automotive lamp components refer to various parts and assemblies that make up the vehicle lighting system. These components together form a complete automotive lamp, serving functions such as illumination, signaling, and safety warning. Automotive lamps typically consist of multiple structural parts, optical elements, and electronic components.

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Our Partners

BYD Partner Logo

BYD Partner Logo

CATL Partner Logo

CATL Partner Logo

Hanslaser Partner Logo

Hanslaser Partner Logo

Huawei Partner Logo

Huawei Partner Logo

Xiaomi Partner Logo

Xiaomi Partner Logo

Audi Partner Logo

Audi Partner Logo

Contact Us for Customized Solutions

Fill out the form below and our professional technical team will contact you within 24 hours with a tailor-made leak testing solution.

Company Address

2nd Floor, Building 6, Shayihuanbao Industrial Park, No. 496 Chuangcheng Road, Shajing Street, Bao'an District, Shenzhen

Phone

+86 17376311087

Email

wafubrother@outlook.com

wafubrother@gmail.com

Free Consultation