JCET Group, one of China’s major OSAT service providers, closed the first quarter of 2026 with a clear profitability improvement amidst a full industry cycle shift in the semiconductor sector. The company, specialized in chip assembly, packaging, and testing, reported revenues of 9.170 billion yuan and attributable net profit of 290 million yuan, representing a 42.7% year-over-year increase.
This data is more significant than it appears. In a market where attention typically centers on TSMC, Samsung, Intel, NVIDIA, or memory manufacturers, the role of advanced packaging companies has become much more prominent. AI chips, high-performance server processors, and automotive electronics no longer rely solely on manufacturing nodes; they also require the integration, connection, testing, and packaging of increasingly complex components.
Profitability gains come with nuances
JCET’s results show a company improving margins and profitability, though growth isn’t driven by a significant acceleration in total sales. According to data collected by Eastmoney from the quarterly report, revenues of 9.171 billion yuan slightly declined by 1.76% year-over-year, while attributable net income surged by 42.74%. Gross margin reached 14.55%, up 1.91 percentage points from the previous year, and net operating cash was 1.779 billion yuan, a 55.44% increase.
The most reasonable interpretation is that JCET is gaining efficiency and improving its product mix. The company explained that it has accelerated the commercialization of R&D initiatives, expanded advanced manufacturing capacity, and grown its global customer base. It also indicated that its domestic plants maintain high utilization rates, and its facilities in South Korea and Singapore have introduced new products for top-tier international clients.
| Q1 2026 Metrics | Results | Analysis |
|---|---|---|
| Revenues | 9.170 billion yuan | Almost stable sales, slight decline according to Chinese financial data |
| Attributable net profit | 290 million yuan | +42.7% YoY |
| Gross margin | 14.55% | Increase of 1.91 points YoY |
| Net operating cash | 1.779 billion yuan | +55.44% YoY |
| Computing Electronics | +14.2% | Driven by servers, HPC, and higher-value chips |
| Automotive Electronics | +28.8% | Demand linked to smart vehicles and power management |
This profile is important because OSAT companies typically operate with narrower margins than major chip designers or leading foundries. When a company in this segment improves profits without an equivalent increase in revenue, it usually indicates better factory utilization, higher value-added products, and stronger operational discipline.
Advanced packaging: the less visible part of AI
JCET’s progress can be better understood within the industry shift toward advanced packaging. For years, much of the technological debate focused on reducing nanometers—this race remains important but is increasingly insufficient on its own. In AI, HPC, and automotive sectors, many chips need to combine different pieces—memory, interconnects, substrates, testing methods—in more dense and reliable formats.
JCET states that its Jiangyin unit, focused on higher-value sectors like high-performance computing chips, has achieved stable volume production and is expanding its advanced packaging and testing capacity to meet demand. The computing electronics division maintained its momentum from 2025 and grew 14.2% YoY in the quarter.
Advanced packaging is industry’s response to physical and economic constraints. It’s not always feasible or profitable to manufacture everything on the most advanced node. Modern architectures often combine chiplets, close memory, interposers, 2.5D/3D solutions, or System-in-Package formats to boost performance without relying solely on a single monolithic die. In this context, OSATs shift from simple final assembly providers to more strategic players.
JCET also highlights technologies like wafer-level packaging, 2.5D/3D, System-in-Package, flip chip, and wire bonding. This broad portfolio enables it to serve applications in automotive, AI, HPC, storage, communications, smart devices, industrial and medical sectors, and energy.
Automotive and robotics open another growth front
Automotive electronics was one of the clearer drivers this quarter. JCET reported a 28.8% YoY growth in this segment, supported by the start of production at JCET Shanghai Automotive. The company is accelerating the introduction of volume manufacturing for applications like autonomous driving, intelligent robotics, and power management.
This front isn’t only dependent on electric vehicles. Cars incorporate more sensors, control units, driver assistance systems, power chips, connectivity, memory, and safety electronics. All these components require high reliability, with resistance to temperature, vibration, and long operational cycles. Packaging and testing are particularly critical in automotive because failures are not tolerated the same way as in consumer devices.
The mention of intelligent robotics fits a broader trend: as industrial and tech manufacturers embed more AI into machinery, the demand for chips capable of edge processing, sensor management, energy control, and operation in demanding environments grows. Not all such chips are the most advanced, but they all require robust packaging and thorough validation.
China reinforces a critical layer of its semiconductor supply chain
For China, JCET has value beyond its quarterly results. The country aims to reduce reliance on semiconductors amid increasing export controls, restrictions on advanced equipment, and limits on access to certain AI chips. While manufacturing at the cutting edge remains the most visible bottleneck, assembly, packaging, and testing are also crucial layers.
A national semiconductor supply chain can’t rely solely on fabless designers or foundries. It needs suppliers capable of converting wafers into finished products, validating performance, integrating components, and scaling delivery. JCET is among China’s best-positioned companies in this regard, operating eight plants in China, Korea, and Singapore with an international customer base.
The challenge for JCET will be maintaining investment momentum without eroding margins. Advanced packaging requires costly equipment, specialized talent, high-quality materials, and close collaboration with customers. It also faces competition from established players like ASE Technology, Amkor, and Powertech, each with strong relationships with global manufacturers.
The opening of JCET’s R&D building in Zhangjiang, Shanghai, during the first quarter reflects the need to bolster internal capabilities. The company states that the center includes facilities for product validation and a dedicated chip performance lab—essential elements to develop more complex solutions and move beyond low-margin services.
The quarterly results do not make JCET the dominant player in the AI supply chain, but they confirm that investments from data centers and automotive are reaching suppliers that previously had less visibility. In semiconductors, performance is now determined not only on the wafer but also by how each chip is packaged, connected, tested, and delivered.
If demand for AI, servers, and smart vehicles remains strong, OSAT companies with advanced capabilities can increase their influence in the coming years. JCET enters this race with a solid position in China and an international presence that allows it to attract clients beyond its domestic market. The key question is whether it can turn these occasional profit improvements into sustained advantages against competitors with more experience in the most demanding packaging technologies.
Frequently Asked Questions
What is JCET Group?
JCET is a Chinese provider of chip assembly, packaging, and testing services, known as OSAT, with factories in China, South Korea, and Singapore.
How much did JCET earn in the first quarter of 2026?
The company reported attributable net profit of 290 million yuan, a 42.7% increase YoY, with revenues of 9.170 billion yuan.
Why is advanced packaging important for AI?
Because AI and HPC chips need to integrate multiple components, high-speed interconnects, and memory modules. Advanced packaging improves performance, density, and efficiency without relying solely on the manufacturing node.
What segments are driving JCET?
Computing electronics grew 14.2% YoY, and automotive electronics increased 28.8%, supported by demand in HPC, servers, autonomous driving, robotics, and power management.

