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From October 7 to 10, 2025, Shanghai Jinggong Technology Co., Ltd. will make its debut at the Crocus Expo in Moscow, participating in Fastenex—Russia’s leading international exhibition for fasteners and industrial supplies. We will showcase a range of precision stamping molds and high-end fastener solutions at Booth A3047, Hall 1, Pavilion 4, and welcome global clients to visit us. Exhibition Details: Event: Fastenex Russia International Fastener & Industrial Supply Exhibition Date: October...
On September 4, 2025, the China (Chongqing)-Belarus China-Belarus Industrial Park "Belt and Road" Investment Opportunities Promotion Conference was held in Yuzhong District, Chongqing. As a flagship project of the China-Belarus joint Belt and Road Initiative, the China-Belarus Industrial Park presented over 100 cooperation opportunities across 13 categories to Chongqing, attracting over 200 companies from Chongqing and western China. Hou Hui, General Manager of Chongqing Henghui Precision Mold...
Henghui Precision Molds empowers high-end manufacturing with micron-level precision
Since its establishment in 2009, Chongqing Henghui Precision Mold Co., Ltd. (hereinafter referred to as Henghui Precision Molds) has specialized in the research, development, and production of micro-precision screws. Leveraging its exceptional micron-level manufacturing capabilities, Henghui Precision Molds has become a trusted partner for the aerospace, medical device, precision electronics, and micro-mechanics sectors. Adhering to the core philosophy of "Precision in Microscopy, Stability in...
Comparison Between Cold Heading Process and Cold Extrusion Process
Cold heading and cold extrusion are essentially deformation processes under similar conditions, but they differ in their operational methods. Cold heading is a forging deformation process typically used for smaller workpieces and is commonly employed in the fastener industry. In contrast, cold extrusion involves the extrusion deformation of larger workpieces and has a broader range of applications. What is Cold Extrusion? Cold extrusion is a processing method in which a metal blank is placed...
Structural Safety Impact of Stamping Dies
Stamping dies are the primary process equipment for stamping processing, and stamped parts are produced through the relative movement of the upper and lower dies. During processing, the continuous opening and closing of the upper and lower dies poses a serious threat to the safety of operators if their fingers repeatedly enter or remain in the die closure area. (I) Main Components of Dies, Their Functions, and Safety Requirements 1. Working Components The punch and die are the working...
On August 20, 2025, Chongqing Henghui Precision Mold Co., Ltd. (hereinafter referred to as "Henghui Mold") officially completed packaging for its independently developed high-end CNC parts processing machine, which will soon be shipped to a Russian customer. This marks another milestone for Henghui Mold in the export of high-end equipment, following the initial collaboration between the two parties earlier this year, and signifies further international recognition of its "Made in China"...
On August 28, 2025, Chongqing Henghui Precision Mold Co., Ltd. (hereinafter referred to as "Henghui Mold") announced that its independently developed custom-part development process and complete mold set have passed the rigorous inspection of a Brazilian customer. The first batch of products has been packed and shipped to South America. This order further recognizes Henghui Mold's technological strength in high-end custom parts and injects new momentum into China-Brazil precision manufacturing...
In the field of precision manufacturing, micro-screws are like the "red blood cells" of industry. Despite their tiny size, they carry crucial missions such as spacecraft's flight, the precise operation of medical equipment, and the lightweighting of consumer electronics. Shanghai Yijun Precision, founded in 2013, is a hidden champion in this niche market. Thanks to a decade of dedicated technological development and digital innovation, the company has become one of the few global manufacturers...
In the field of precision manufacturing, the technical strength of a mold supplier directly determines the ultimate quality of the end product. Since its establishment in 2013, Shanghai Yijun Precision has rapidly risen to become a leading high-end mold supplier in the Yangtze River Delta region, leveraging millimeter-level precision as its core competitiveness. With an ISO9001-certified production system and a fully automated digital production line integrating CNC turning centers and optical...
On August 7, 2025, the I.C.E. Cultural Exhibition Hall in Hanoi, Vietnam, was bustling with activity as the three-day Vietnam International Industrial Manufacturing Technology, Equipment, and Fastener Exhibition entered its second day. Chongqing Henghui Precision Mold Co., Ltd. (hereinafter referred to as "Henghui Mold"), a leading company in the precision mold industry, showcased a variety of independently developed high-end molds and intelligent solutions at booth E16. The exhibition...
On August 7, 2025, Hou Hui, General Manager of Chongqing Henghui Precision Mold Co., Ltd. (hereinafter referred to as "Henghui Mold"), led a technical team to Moscow, Russia, to provide technical support to a local aviation parts manufacturer. The team successfully resolved key technical challenges in machining complex curved titanium alloy surfaces, helping the customer resume production and improve process quality, earning high praise from the Russian side. This initiative demonstrates the...
During the process of pressing hexagonal stock into round rods, failure to achieve an ideal flat surface (as indicated by the red circle) may be caused by incorrect pressing methods, issues with the die or grinding head, uneven material stress, or unreasonable operating parameters. Below is a detailed analysis and specific solutions: I. Common Cause Analysis Incorrect Pressing Method: If the edges of the hexagonal stock lack a adhesive layer, incorrect methods (e.g., oversized grinding head,...
Ningbo Yijun Technology Fulfills Commitment with Shipment of High-Precision Molds to U.S. Client Release Time: October 26, 2023Source: Ningbo Yijun Technology Co., Ltd. (Ningbo, China) – Ningbo Yijun Technology Co., Ltd. has completed preparations for a batch of high-precision molds customized for a U.S.-based client. After passing all final inspections, the molds have been professionally packaged and are ready for shipment to the United States. “Safe and on-time delivery of every precision...
Four Key Points About Auto Parts Micro Screws Stamping Processes
Auto Parts Micro Screws are specialized equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). These are called cold stamping dies (commonly known as cold stamping dies). Stamping is a process in which an Auto Parts Micro Screws mounted on a press applies pressure to the material at room temperature, causing it to separate or plastically deform, thereby producing the desired part. 1. Riveting dies use external force to connect or...
What are the key design principles for Auto Parts Micro Screws?
Auto Parts Micro Screws are not common in everyday life, but they play a significant role in industrial machinery manufacturing. Larger parts, in particular, require Auto Parts Micro Screws for processing to achieve proper production efficiency and performance. Below, we will explain the design principles for Auto Parts Micro Screws. 1. Dimensional stability: During the molding process, the surface of the plastic part in contact with the Auto Parts Micro Screws should maintain greater...
What causes excessive wear on Auto Parts Micro Screws punches?
Auto Parts Micro Screws are manufactured using a special process called cold stamping, which processes materials (metal or non-metal) into parts (or semi-finished products). These are called cold Auto Parts Micro Screws (commonly known as cold stamping dies). Stamping is a pressure processing method in which a die mounted on a press applies pressure to the material at room temperature, causing separation or plastic deformation, thereby producing the desired part. 1. Small clearance in Auto...
Inspecting and Maintaining Auto Parts Micro Screws Pressing Parts
During daily use, presser parts, such as the presser plate, should be regularly inspected and maintained. Damaged parts should be promptly repaired. If pneumatic parts experience leaks, appropriate measures should be taken based on the specific situation. Any equipment and machinery requires daily maintenance to maximize its effectiveness and extend its lifespan. Daily maintenance of Auto Parts Micro Screws should include timely replacement of damaged parts, routine demagnetization, and...
How should Auto Parts Micro Screws be maintained daily?
Due to the high frequency of daily use and the harsh operating environments of Auto Parts Micro Screws, daily maintenance is particularly important. Proper daily maintenance can extend the lifespan of Auto Parts Micro Screws and maximize their advantages during daily use. Elastic components such as springs are most prone to problems during Auto Parts Micro Screws use. They are generally prone to breakage and deformation. If such damage occurs, the only solution is replacement. When replacing...
If you need an Auto Parts Micro Screws, you need to find a suitable manufacturer
If you need an Auto Parts Micro Screws, you absolutely need to find a suitable manufacturer. This ensures the quality of the custom mold. If you're looking for a long-term partnership, quality is crucial. I believe that as long as we can confirm the relevant quote, we can find a cost-effective manufacturer to work with. Furthermore, large manufacturers offer a wide range of services, making it more desirable to work with high-quality manufacturers. In fact, if you can find the right Auto Parts...
Solutions for Unstable Head Thickness of Pan Head Screws with Washer
To address the instability in head thickness of pan head screws with washers and the issue of head diameter exceeding tolerances due to the narrow washer outer diameter tolerance of only 0.2mm, a systematic optimization across four dimensions is required: mold design, process parameters, material control, and quality inspection. The specific solutions are as follows: I. Mold Design and Manufacturing Optimization Precise Control of Punch-Die Clearance: The clearance between the punch and die...
Aerospace Micro Screws processing cooperation selection
In fact, the Aerospace Micro Screws we use now are basically customized products, and they also need to use suitable molds. Many processing manufacturers will choose suitable manufacturers to cooperate, making the processing industry easier. However, the processing and customization service costs of such manufacturers must be determined in advance, and the charging standards of good manufacturers must be clear. Only in this way will there be no problems. Because some Aerospace Micro Screws are...
The quality and precision of Aerospace Micro Screws
If you want to do a good job of processing Aerospace Micro Screws, you have to contact professional hardware stamping mold processing companies, so that customized products can achieve better results. Since the quality and precision of subsequent hardware are related to the mold, special attention must be paid to finding a suitable processing manufacturer for cooperation. In addition, when we customize, we must pay special attention to mold design to ensure high precision. If you need to...
What are the basic characteristics of Aerospace Micro Screws?
Many of the products we see in daily life are Aerospace Micro Screws, ranging from aircraft carriers to pins. 1. Aerospace Micro Screws are manufactured by stamping under the premise of low material consumption. Their parts are light in weight and have just the right hardness. After the sheet metal undergoes plastic deformation, the internal structure of the metal is improved, which increases the strength of the Aerospace Micro Screws. 2. Aerospace Micro Screws have high dimensional accuracy,...
The basic process requirements of Aerospace Micro Screws are as follows
1. The materials used in Aerospace Micro Screws should not only meet the technical requirements of product design, but also meet the requirements of stamping process and post-stamping processing requirements (such as cutting, electroplating, welding, etc.). 2. When designing the structural shape of parts of Aerospace Micro Screws, it is best to use simple and reasonable surfaces (such as planes, cylindrical surfaces, spiral surfaces) and their combinations. At the same time, the number of...
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