WAFU Brothers (Shenzhen) Automation Technology Co., Ltd. founded in 2009, it is one of the pioneers and foundational enterprises in China’s leak testing industry. For sixteen years, the company has been dedicated to the research and development, manufacturing, and system integration of leak testers and high-end non-standard automation equipment. With profound technical expertise in leak detection and continuous innovation, the company serves the global industrial manufacturing sector in depth. It has become the trusted choice of more than 8,000 customers worldwide, including well-known enterprises such as Audi, BYD, GAC Group, Xiaomi, and General Motors. Its market presence spans across the globe, demonstrating outstanding brand influence and technological reliability.
In the field of technology, the company has achieved a milestone breakthrough—successfully solving a long-standing challenge in the sealing and leak detection industry: the impact of environmental interference on measurement accuracy. Through independently developed core algorithms and intelligent compensation technology, we effectively suppress fluctuations in external variables such as temperature and pressure. This greatly enhances the stability and repeatability of test data, establishing a new precision benchmark for the industry.
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.
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.
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.
Launched automated testing systems, entered the new energy battery sector, and obtained the certification as a National High-Tech Enterprise.
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.
WAFU Brothers (Shenzhen) Automation Technology Co., Ltd. real scene overview.
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On-site, we provide customized leak testing solutions for your products.
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!
High-precision leak testing equipment for applications across various industries
WAFU Brothers’ brand-new all-in-one system integrates the tester with dedicated fixtures, providing a one-stop solution for “testing + localization + sealing + operation.”
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.
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.
Fuel tanks, automotive lighting waterproof testing, engine part leak detection, vehicle cameras, charging guns, and more.
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Waterproof, dustproof, and leak testing for irrigators, smartphones, earphones, Type-C connectors, and more.
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Leak testing for electronic sphygmomanometers, IV tubing, sealed pouches, laparoscopic trocars, and more.
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Leak testing for surveillance cameras, LED lights, displays, radars, base stations, geophysical sampling equipment, hydrological and environmental monitoring instruments.
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Leak testing for automotive die-cast parts, marine die-cast parts, stamped aluminum sheets, and other mold products.
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Leak testing for smart home products like kettles, juicers, water dispensers, electric water heaters, and filter chambers.
Learn MoreLatest articles on leak testing technology!
September 23, 2025
Nowadays, the penetration rate of smartphones is extremely high—almost everyone owns at least one, and some people own more than one. The usage scenarios have expanded from ordinary daily life to various extreme and complex environments. Waterproof performance has become an important factor for most users when choosing a product. Whether it is accidental splashes in daily life, exposure to rain during outdoor use, or brief immersion caused by misuse, smartphones inevitably need to meet waterproof performance requirements. This performance directly impacts both the lifespan and safety of the device. To ensure products meet international waterproof standards such as IP67 and IP68, manufacturers must conduct rigorous waterproof testing before shipping. With technological advancement, smartphone waterproof testing methods have evolved from traditional to modern approaches, and the application of leak testing technology has greatly improved both accuracy and efficiency.
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September 13, 2025
In industrial production—especially in fields such as new energy vehicles, medical devices, consumer electronics, home appliances, and aerospace—the leak (waterproofness/sealing performance) of products is a crucial quality indicator. Choosing a suitable and reliable leak tester directly affects product quality, production cost, and operational efficiency. Faced with the wide variety of products on the market and persuasive sales pitches, how can you avoid pitfalls and select the most suitable equipment? This article reveals the five key indicators you must focus on during the selection process.
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December 17, 2025
As an important product in the smart home sector, robot vacuum cleaners have evolved rapidly with increasing user expectations for cleaning performance and user experience. They have developed from simple dry-cleaning devices into comprehensive cleaning systems featuring automatic mopping, intelligent water control, and precise water output. Under these requirements, the robot vacuum water tank has become one of the core components enabling wet-mopping functionality. The water tank is mainly used to store cleaning water and deliver it evenly to the mop through internal water channels, valves, or pumps, ensuring consistent and effective mopping performance.
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December 11, 2025
Die-cast parts in air conditioner components are commonly used in key positions such as the refrigeration cycle, structural support, and sealing connections of the AC system. Typical AC die-cast parts include compressor end covers, valve bodies, joints, pipe connectors, heat exchanger fittings, and mounting brackets. These parts are usually manufactured using aluminum alloy die-casting, offering features such as light weight, high strength, excellent corrosion resistance, and superior heat dissipation, which meet the strict requirements for pressure, temperature, and medium resistance during long-term operation of air conditioning systems.
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December 06, 2025
Electronic cables are components used to connect electrical circuits. They mainly serve the purpose of electrical connection and signal transmission between devices and components, components and cabinets, systems and subsystems, ensuring no signal distortion or energy loss between systems. Their quality directly affects the overall reliability of system operation and they are essential supporting products for equipment manufacturers.
View CaseCommitted to innovation and quality, we have become an industry leader in leak testing technology.
Our leak testers deliver industry-leading precision up to 0.01 Pa, ensuring consistent and reliable results even in the most demanding applications.
Continuous R&D investment ensures our products are equipped with the latest technologies, providing cutting-edge leak testing solutions.
Built with durable structures and premium components, our equipment ensures long-term stability and low maintenance costs.
Our technical team provides comprehensive support, including installation training, maintenance, and consultation to ensure a worry-free user experience.
We specialize in customizing leak testing solutions tailored to the specific needs of each customer and industry, helping optimize production efficiency.
With a global sales and service network, we provide timely technical support and after-sales service to customers worldwide.
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