2025-11-11
Held at Shenzhen World Exhibition and Convention Center from November 5th to 8th, the 2025 DPM Greater Bay Area Industrial Expo concluded successfully, as shown in Figure 1. With the core theme of "Full-Chain Synergy · Intelligent Creation for the Future", this expo gathered over a thousand manufacturing enterprises worldwide, comprehensively showcasing innovative achievements in the industrial sector. As a deep cultivator in the induction heating equipment field, Dongguan Jinruihang Technology Co., Ltd. participated with its core products, conducting in-depth exchanges with industry partners to explore new paths for industrial upgrading.
2025-11-14
A high-frequency quenching machine is a specialized heat treatment equipment dedicated to the quenching process of metal materials. It has a wide range of applicable scenarios and can process various types of steel, steel parts, as well as components such as auto parts and motorcycle accessories, including differential housings, multi-layer gears, etc. It can achieve targeted treatments such as inner wall quenching and inner hole quenching, meeting the heat treatment requirements of different parts.
2025-11-11
The Pain of Traditional Welding: Transformation Bottlenecks in Home Appliance Manufacturing.These pain points directly limit enterprises' production capacity and profits, making technological innovation urgently needed to break the deadlock.
2025-11-07
Traditional metal heating processes often face issues of inefficiency and high energy consumption. Flame heating is not only low in efficiency but also has limitations such as high energy consumption and scattered heat. In contrast, in practical applications, the handheld high-frequency induction heating machine can heat a 5mm steel plate to 300-500℃ within 5-8 minutes. Its heating efficiency is 4-6 times higher than that of traditional flame heating, and the heat is concentrated in the target area, reducing energy waste. This well meets the actual needs of industrial production for energy conservation and consumption reduction.
2025-11-04
High-Frequency Quenching: Practical Applications in Automotive Parts Processing
High-Frequency quenching is a common technique for high-frequency heating of metal surfaces or localized areas. It is achieved through three core steps. First, the eddy current effect generated by high-frequency current is used to rapidly heat the metal locally. Next, the heating time and temperature are precisely controlled to optimize the microstructure of the surface or specific areas. Finally, rapid cooling, using media such as water or oil, forms a high-hardness martensitic structure on the surface, completing the strengthening process.
2025-10-31
Have you ever been forced to remove an entire heat sink to weld a single copper tube? Or perhaps poorly controlled flame temperature causes oxidation and deformation, leading to uneven solder distribution? These issues with traditional copper tube welding are particularly prominent in precision-critical applications like air conditioning and refrigeration, and automotive condensers. The emergence of high-frequency induction heating technology, with its precise temperature control, limited thermal impact, and non-contact heating, offers new solutions.
Dongguan Jinruihang Technology Co., Ltd.
Contact Person: Amanda Lin
Email: Jinrui-sales@jinruihang.com
Company Address: No. 7, Lane 3, Haomai Road, Daojiao Town, Dongguan City, Guangdong Province
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