As one of the world’s most influential professional exhibitions in the field of surface treatment and coating technology, this year’s exhibition, themed “Experience the Surface of Tomorrow,” is expected to attract over 300 exhibitors and professional visitors from around the world.

Exhibition Information:

Dates: May 5-7, 2026 (9:00 AM – 5:00 PM daily)

Location: Stuttgart Exhibition Center, Germany (Hall 1)

Booth Number: G08

We welcome friends from all sectors to visit our booth and learn about our latest rectifier products and technological solutions!

Why are rectifier manufacturers focusing on surface treatment technology?

As a professional rectifier manufacturer, we deeply understand the crucial role of surface treatment technology in the manufacturing of industrial power supply equipment. From electroplating power supplies to anodizing equipment, from electrolytic machining to electrochemical surface treatment, high-performance rectifiers are core components ensuring process stability, energy efficiency, and product quality.

At this exhibition, we will focus on the following areas:

Electroplating and Electrochemical Processing Technology: Showcasing our high-precision DC power supply solutions for the electroplating industry.

Industrial Coating and Finishing Technology: Exploring innovative applications of rectifiers in processes such as electrophoretic coating and anodizing

Environmental Protection and Energy Efficiency Technology: The development trend of high-efficiency power supply technology under the background of AC energy conservation and emission reduction

Smart Manufacturing and Automation: Understanding the new demands of digital factories for intelligent control of rectifiers

Surface Technology GERMANY 2026 will bring together pavilions from 16 countries, including national pavilions from Italy, Japan, and Turkey, as well as leading companies from Switzerland, China, Spain, India, France, the UK, the US, and Belgium.

The STG.ExpertForum will also be held during the exhibition, inviting industry leaders and renowned scholars to conduct in-depth discussions on core topics such as environmental protection, sustainable development, and energy and resource conservation.

Our Expectations

Participating in this exhibition is an important step for Liyuan Haina Rectifier to deepen international cooperation and expand into the European market. We look forward to engaging in in-depth discussions with experts, partners, and potential customers in the global surface treatment industry to jointly explore innovative applications of rectifier technology in surface engineering.

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Dates: November 25–27, 2025

Booth: E1.H15

Venue: Shanghai New International Expo Centre (SNIEC)

This year’s exhibition covers a gross exhibition area of over 15,700 square meters (Halls E1 and E2). It brings together more than 300 exhibitors from 17 countries / regions, showcasing innovative products and technologies in 2 exhibit zones to meet the evolving needs of downstream industries. A series of concurrent Technical Programmes will be held during the exhibition, including Technical Seminars & Webinars and Technology Forums, offering valuable opportunities to share expertise, gain insights and stay at the forefront of industry trends.

About Liyuan Haina Rectifier Group
Established in 1997, LIYUAN HAINA Rectifier Group is a professional manufacturer in the rectifier industry in China, specializing in R&D and production of IGBT and SCR rectifiers, pulse power supplies, power quality systems, and energy-saving products. With decades of experience in the industry, LIYUAN HAINA  is committed to being your trusted partner.

Meet Us at Booth E1.H15
Our technical representatives will be on-site to demonstrate equipment and provide professional consultation. We will also offer a selection of customized promotional offers for attendees. If you are planning to attend SF CHINA 2025, we warmly welcome your visit.

For more details, please contact us:

Visit: www.lyhnplating.com

Email: sale@lyhnplating.com 

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Exhibition Time: August 14–16, 2025
Booth Number: F124
Location: Melbourne Exhibition Centre, Australia

The 2025 ACETIE carries the theme: “New-Quality Productivity for a Brighter Future: Building the South Pacific Hub of Innovation.” This year’s expo presents a diverse range of sectors. Areas of focus include technology innovation, artificial intelligence applications, clean energy solutions, electric mobility, advanced materials, and updated manufacturing systems. Meanwhile, several consumer-oriented industries will also be featured — from agriculture, wine and food, to healthcare, aged services, construction equipment, and cross-cultural tourism.

About Liyuan Haina Rectifier Group
Established in 1997, LIYUAN HAINA Rectifier Group is a professional manufacturer in the rectifier industry in China, specializing in R&D and production of IGBT and SCR rectifiers, pulse power supplies, power quality systems, and energy-saving products. With decades of experience in the industry, LIYUAN HAINA  is committed to being your trusted partner.

Meet Us at Booth F124
During the expo, our technical representatives will be on-site to demonstrate equipment and provide consultation. A selection of customized offers will also be available for attendees. If you are planning to attend ACETIE 2025, we welcome your visit.

For details, please visit: www.lyhnplating.com
Or contact us directly via email: sale@lyhnplating.com

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Accompanied by the business team, the customer visited our production workshop and R&D center in detail, and gained an in-depth understanding of the production process, technical parameters and quality control system of power supply products. The customer paid special attention to the stability and efficiency of our power supply in the electroplating process, and recognized our technical strength and product reliability.

After the visit, our business team provided a detailed quotation plan for the customer based on his specific needs. The customer said that our products fully meet his production needs and are looking forward to future cooperation.

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IPC APEX EXPO 2025: Electronics Innovation Hub
March 18-20, Anaheim | 500+ Global Exhibitors

Industry leaders from OEMs to PCB manufacturers will convene to explore automation tools, advanced materials, and lean manufacturing methodologies. Attendees gain direct access to R&D breakthroughs in PCB assembly/testing while networking with equipment innovators and standard-setting experts. The expo provides hands-on access to advanced materials, production processes, and skill-building resources, empowering attendees to implement operational improvements and drive business growth.

About Liyuan Haina Rectifier Group
Established in 1997, LIYUAN HAINA Rectifier Group is a professional manufacturer in the rectifier industry in China, specializing in R&D and production of IGBT and SCR rectifiers, pulse power supplies, power quality systems, and energy-saving products. With decades of experience in the industry, LIYUAN HAINA is committed to being your trusted partner.

Join Us
Visit Booth 3833 at IPC APEX EXPO 2025 for live demos, technical consultations, and exclusive offers.
For more information, visit www.lyhnplating.com or contact us at sale@lyhnplating.com.

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Stability in Surface Treatment and Electroplating: The power supply for surface treatment and electroplating requires stable output voltage and current to ensure uniform metal deposition during the electroplating phase. This stability is crucial for enhancing product quality and minimizing scrap rates in surface treatment operations.

Precise Control in Electroplating Power Supplies: The surface treatment process, especially electroplating, demands precise control over parameters such as current density, temperature, and time to achieve the desired coating thickness, hardness, and adhesion. Therefore, the power supply must incorporate a precise control system that allows operators to finely tune these parameters and closely monitor the electroplating process.

High Efficiency of Surface Treatment and Electroplating Power Supplies: High efficiency is essential for surface treatment and electroplating power supplies to ensure that the electroplating process is completed swiftly. Efficient power supplies boost production efficiency and reduce production costs, making them indispensable in surface treatment and electroplating applications.

Safety in Surface Treatment and Electroplating Power Supplies: Given the involvement of chemicals and high currents in the electroplating process, the power supply must exhibit robust safety performance. This includes overload protection, short-circuit protection, and leakage protection to safeguard against accidents in surface treatment operations.

Energy Saving and Environmental Protection in Surface Treatment Power Supplies: Modern surface treatment power supplies, particularly those used in electroplating, must embody energy-saving and environmentally friendly characteristics to comply with regulatory requirements. Many power supplies feature high-efficiency conversion systems to minimize energy waste and utilize eco-friendly materials to reduce environmental pollution in surface treatment processes.

Reliability of Surface Treatment and Electroplating Power Supplies: Reliability is paramount for surface treatment and electroplating power supplies, as they must operate stably over extended periods without susceptibility to failures. A highly reliable power supply reduces maintenance costs and enhances the stability of the production line in surface treatment and electroplating applications.

Automation Control in Surface Treatment and Electroplating Power Supplies: As industrial automation advances, modern surface treatment and electroplating power supplies increasingly incorporate automatic control functions. These power supplies can be integrated with other equipment in the production line to facilitate automated production, thereby improving efficiency and consistency in surface treatment and electroplating processes.

Conclusion: These characteristics collectively underscore the indispensable role of surface treatment and electroplating power supplies in modern manufacturing, where they are pivotal in ensuring high-quality, efficient, and environmentally responsible surface treatment processes.

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1.Hot Air Solder Leveling (HASL) for Surface Treatment:
Process: The PCB undergoes immersion in molten solder, followed by exposure to a stream of hot air to eliminate excess solder, resulting in a thin, uniform layer on the copper pads.
Advantages: Cost-effective, widely adopted, and provides a reliable solderable surface.
Disadvantages: Offers limited flatness, potential for unevenness, and may not be suitable for fine-pitch components.

2.Electroless Nickel Immersion Gold (ENIG) Surface Treatment:
Process: A thin layer of electroless nickel is deposited onto the copper surface, which is then immersed in a gold bath. The gold layer shields the nickel and presents a flat, solderable surface.
Advantages: Ideal for fine-pitch components, offers excellent solderability, a flat surface, and robust corrosion resistance.
Disadvantages: Higher cost compared to HASL.

3.Immersion Tin (ISn) Surface Treatment:
Process: The PCB is submerged in a tin bath, forming a thin tin layer on the copper surface.
Advantages: Provides a flat surface, suitable for fine-pitch components, and cost-effective.
Disadvantages: Limited shelf life, sensitive to handling, and not suitable for multiple reflow processes.

4.Organic Solderability Preservative (OSP) Surface Treatment:
Process: A thin layer of organic material is applied to the copper surface, safeguarding it from oxidation and offering a solderable surface.
Advantages: Environmentally friendly, presents a flat surface, suitable for fine-pitch components.
Disadvantages: Limited shelf life, sensitive to handling, and not ideal for multiple reflow processes.

5.Electroplated Nickel/Gold (Ni/Au) Surface Treatment:
Process: Nickel is electroplated onto the copper surface, followed by a gold electroplating step.
Advantages: Offers excellent corrosion resistance, suitable for harsh environments, and beneficial for gold wire bonding.
Disadvantages: Higher cost and not suitable for multiple reflow processes.

6.Lead-Free HASL (LFHASL) Surface Treatment:
Process: Similar to HASL but uses lead-free solder.
Advantages: Compliant with RoHS regulations and offers good solderability.
Disadvantages: Can result in an uneven surface and may not be ideal for fine-pitch components.

7.Carbon Ink Surface Treatment:
Process: Conductive carbon ink is applied to specific areas of the PCB to create resistors or jumper connections.
Advantages: Allows customization of resistance values and is cost-effective.
Disadvantages: Limited to specific applications and not a general-purpose surface treatment method.

8.Plasma Treatment for Surface Preparation:
Process: Plasma is utilized to clean and activate the PCB surface, enhancing the adhesion of conformal coatings or other surface finishes.
Advantages: Improves surface properties and promotes better adhesion.
Disadvantages: Typically used as a pre-treatment before applying other surface finishes.

The selection of a surface treatment method hinges on various factors, including the application, component types, cost considerations, and environmental regulations. Manufacturers meticulously choose the most appropriate surface treatment option based on the unique requirements of their PCB designs, ensuring optimal performance and reliability.

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The electroplating rectifier operates on the foundation of power electronics technology. By meticulously adjusting and transforming the input power supply, the electroplating rectifier ensures that the output current and voltage align perfectly with the demands of the electroplating process. Typically, these rectifiers utilize silicon-controlled rectifiers or thyristors as their core components, adjusting the control signal to manipulate the on and off timing of the main circuit. This, in turn, allows for precise control over the magnitude and stability of the output current and voltage.

Moreover, the electroplating rectifier is equipped with a sophisticated filter circuit, which serves to minimize fluctuations and harmonics in the output current. This ensures the high quality and stability of the electroplating process. The electroplating rectifier finds extensive application within the electroplating industry. Firstly, it serves as a reliable anode power source in metal plating processes. In metal plating, a stable current and voltage from the anode are crucial for achieving uniform and high-quality metal deposition. The electroplating rectifier provides the precise current and voltage required by the electroplating process to the anode, thereby guaranteeing the effectiveness and quality of the metal plating.

Secondly, electroplating rectifiers are also utilized in electrolytic tanks, circulation systems for electrolytic tank liquids, and other components of electroplating equipment. They supply the necessary current and voltage to various parts of the electroplating process, enabling automatic control and regulation of the entire electroplating operation.

The application of electroplating rectifiers extends into numerous other fields as well. In electrochemical experiments, electroplating rectifiers provide a stable power supply for a wide range of electrochemical reactions and experiments. In battery charging, the electroplating rectifier converts AC into DC to charge the battery, ensuring the stability and efficiency of the charging process. In the electrolysis of water for hydrogen production, the electroplating rectifier supplies the appropriate current and voltage to the electrolyzer, facilitating the electrolysis of water and the production of hydrogen.

In summary, electroplating rectifiers play a crucial role in the electroplating process by converting AC into DC to provide a stable current and voltage. Based on power electronics technology, the electroplating rectifier adjusts the magnitude and stability of the output current and voltage by controlling the on and off timing of its components. Not only are electroplating rectifiers widely used as anode power sources in the metal electroplating industry, but they are also indispensable in electrochemical experiments, battery charging, and the electrolysis of water for hydrogen production. Through the application of electroplating rectifiers, the quality and stability of the electroplating process can be assured, leading to enhanced production efficiency and product quality.

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1.High Efficiency Performance of Electroplating Rectifiers:

These rectifiers quickly and stably convert AC into DC, ensuring that the electroplating process runs smoothly with consistent current and voltage output. The efficiency of electroplating rectifiers guarantees the stability and reliability of the entire electroplating operation.

2.Low Energy Consumption with Electroplating Rectifiers:

Characterized by high efficiency and low energy consumption, electroplating rectifiers effectively minimize the energy required for the electroplating process, leading to substantial energy cost savings.

3.Adjustable Performance of Electroplating Rectifiers:

With excellent current and voltage adjustment capabilities, electroplating rectifiers can be tailored to meet specific needs at any time. This adjustability ensures the precision and stability of the electroplating process.

4.Long Service Life of Electroplating Rectifiers:

Constructed with high-quality electronic components and stable devices, electroplating rectifiers exhibit exceptional durability and anti-interference ability. They are designed to operate stably for extended periods, providing consistent performance over time.

5.Safe and Reliable Electroplating Rectifiers:

Incorporating multiple safety protection measures such as overcurrent protection and overheating protection, electroplating rectifiers ensure the safety and stability of the electroplating process. These safety features make electroplating rectifiers a trustworthy choice for the industry.

6.Easy Maintenance of Electroplating Rectifiers:

With a simple structure and straightforward operation, electroplating rectifiers are relatively easy to maintain. This ease of maintenance translates to lower production and maintenance costs, making electroplating rectifiers a cost-effective solution for the industry.

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Within the vast landscape of surface treatment, the application of electroplating rectifiers is remarkably broad, particularly highlighted in the following facets:

Electroplating Process:
Electroplating rectifiers are indispensable in the electroplating of various metals, including zinc, chromium, nickel, tin, gold, and silver. By precisely controlling the output current and voltage, these rectifiers facilitate the electroplating of diverse metals, thereby enhancing the corrosion resistance, aesthetic appeal, and hardness of metal surfaces. These electroplating processes find extensive application in industries such as automotive, electronics, hardware, machinery, and construction, significantly improving the surface treatment effects of products across these sectors. The use of electroplating rectifiers in this process underscores their critical role in surface treatment.

Electrolytic Processing:
Electroplating rectifiers are also pivotal in electrolytic processing, a method that leverages the principle of electrochemical corrosion to manipulate metal materials. As a vital piece of equipment in electrolytic processing, these rectifiers supply a stable current and voltage, ensuring the seamless progression of the process. Electrolytic processing has found widespread use in mold manufacturing, aerospace, military industry, and other sectors, further emphasizing the versatility and importance of electroplating rectifiers in surface treatment.

Electrolytic Polishing and Electrolytic Corrosion:
Electroplating rectifiers also play a significant role in processes like electrolytic polishing and electrolytic corrosion. Electrolytic polishing utilizes electrochemical action to achieve a bright metal surface, while electrolytic corrosion employs the principle of electrochemical corrosion for metal processing or treatment. Both processes have crucial applications in metal surface treatment, art production, and other fields, showcasing the electroplating rectifier’s extensive utility in surface treatment methodologies.

As intelligent manufacturing and green manufacturing evolve, electroplating rectifiers are advancing towards greater intelligence, efficiency, and environmental friendliness. Integration with the Internet of Things technology allows for remote monitoring and intelligent adjustment of electroplating processes. Additionally, the development of new environmentally friendly materials aims to reduce harmful emissions during the electroplating process. The performance and efficiency of electroplating rectifiers are paramount to the growth of the electroplating industry. With technology continually advancing and application fields expanding, electroplating rectifiers will undoubtedly play an increasingly significant role in enhancing production efficiency, reducing energy consumption, and protecting the environment within the surface treatment industry.

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