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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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.

The post Surface Treatment Options for Printed Circuit Boards (PCBs) appeared first on Electroplating Surface Treatment.

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.

The post Advancing Surface Treatment with Intelligent Electroplating Rectifiers appeared first on Electroplating Surface Treatment.

In Turkey, power outages are common. To address this, the technician specially designed a connection to the UPS power supply, ensuring that the control system’s data storage remains unaffected during disruptions. This guarantees uninterrupted performance for the electroplating process and surface treatment applications.

Additionally, the rectifier supports advanced features for precise control and reliability in chrome plating operations, making it a vital component for achieving high-quality surface finishes in the metal processing industry.

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