Explore our top-tier, custom-engineered components designed for optical communications, aerospace, defense, and automation systems.
Founded in November 2014, Xinyunyang Precision Technology Co., Ltd. has established itself as an elite pioneer in micro-precision CNC machining. Guided by our core pillars—Integrity, Innovation, Cooperation, and Sharing—we have cultivated a world-class manufacturing facility specialized in high-performance metallurgy.
Our primary operational focus lies in Kovar alloy precision processing technology, where we address the most demanding micro-manufacturing criteria for the semiconductor, optical communications, aerospace, medical devices, and defense/military sectors. Our mission is to continuously provide miniaturized, highly customized, and ultra-reliable metal packaging solutions to global systems integrators, asserting our status as a leading global supplier of hermetic package lids, Kovar alloy components, and high-precision CNC parts.
High-precision processing capability
Advanced technology and equipment
Strict quality control
Flexible customized services
Analyzing the global paradigm shift in high-reliability components sourcing and structural metal manufacturing.
In the contemporary landscape of high-tech manufacturing, the global commercial demand for precision CNC machined parts is undergoing a massive transformation. Rapid advancements in sub-6GHz and millimeter-wave 5G networks, artificial intelligence accelerators, medical robotics, and commercial aerospace systems have necessitated parts engineered to exceptionally tight physical tolerances. These are not merely passive structural components; they serve as critical mechanical interfaces, hermetic seals, and electronic signal pathways operating under rigorous conditions.
Currently, the market size for precision machining technologies is expanding exponentially. Crucially, global supply chains are experiencing a strategic shift towards suppliers that can demonstrate complete control over materials engineering—especially when dealing with advanced low-expansion superalloys (such as Kovar 4J29, Invar 36, and Titanium Grade 5). Industries are moving away from traditional, low-cost sheet and cast metal processing towards advanced multi-axis CNC milling, turning, and high-frequency EDM (Electrical Discharge Machining) services. Enterprise buyers and engineers are searching for high-information gain, seeking partners capable of assuring structural integrity under wide temperature variations, matching exact coefficients of thermal expansion (CTE), and executing clean, RoHS-compliant micro-assembly procedures.
From an international trade perspective, localized sourcing and reliable factory-direct manufacturing partnerships have emerged as structural priorities. Companies are increasingly prioritizing E-E-A-T credentials (Expertise, Authoritativeness, and Trustworthiness) when evaluating manufacturing sites, demanding ISO 9001:2015 certifications, raw material traceability, conflict-free mineral validation, and documented metrological verification protocols.
Diversified sourcing relies on precision hubs equipped with multi-axis tooling, allowing reliable cross-border deployment of defense and telecommunications structures.
As system boards compress, structural metal enclosures and hybrid connectors demand sub-micron tolerances, leaving zero room for geometric deviation.
Demanding high-frequency validation protocols, including hermeticity testing, CMM metrology, and high-vacuum environmental testing.
Deep engineering intelligence, specialized material knowledge, and high-efficiency operational structure.
The company maintains a high-tier professional team of more than 100 dedicated manufacturing professionals, wherein specialized technical engineers account for fully 30% of the active staff, ensuring deep analytical oversight of every customer design.
Our core team members have been deeply engaged in high-end precision metal processing for over a decade. We actively pioneer and explore multi-axis composite processing for demanding special metals, including Kovar and titanium alloys, positioning our solutions to address the cutting-edge needs of the 5G, medical, and aerospace supply networks.
Utilizing an ISO 9001 certified quality management framework partnered with an intelligent, data-driven factory scheduling system, we have successfully optimized lead times, increasing the delivery speed of typical production runs by 15% to 20% compared to traditional legacy factories.
From standard telecommunication links to deep-space electronics packaging, discover how our custom parts empower advanced systems.
In high-speed communication systems, signal attenuation must be prevented at all costs. Traditional housings cannot offer the precision required for high-frequency signal shielding. Xinyunyang’s custom-designed 5G Kovar alloy shells are optimized for frequencies reaching up to 40GHz, achieving insertion losses (IL) of <0.26dB. By maintaining strict control over the geometry of inner cavities and connector pins, we prevent parasitic capacitance and signal phase degradation in high-speed optical transceivers.
Semiconductor packages are exposed to immense thermal fluctuations during testing and operation. If the coefficient of thermal expansion (CTE) of the metal package does not match that of the silicon chip or the borosilicate glass seal, the seal will fail under thermal cycling, leading to catastrophic moisture ingress. Our specialized Kovar alloy processing maintains a CTE of 4.7±0.2×10⁻⁶/℃ from 30℃ to 400℃, providing a perfect glass-to-metal seal (GTMS) that protects sensitive microelectronics in automotive and high-vacuum industrial applications.
For aerospace and defense instrumentation, our ESG-validated, conflict-free Kovar 4J29 alloys provide RoHS-compliant hermetic seal substrates. Designed specifically for military-grade RG connectors and high-frequency microwave interfaces, these machined products perform flawlessly under rapid temperature changes and extreme high-G environments. Our micron-level toolings ensure that threads, pins, and concentric flanges connect cleanly, ensuring continuous shielding and zero signal dropouts.
Modern automated machinery relies on high-resolution motion control. Components such as stainless steel linear actuators and high-accuracy toolings demand exceptional surface finishes (Ra 0.4 or better) and exact dimensional matching. Through advanced processing and rigid quality verification, we deliver durable, wear-resistant parts that enable seamless integration in precision medical equipment and advanced robotic assemblies.
| Material Class | Common Alloys Machined | Physical / Design Goal | Key Machining Tolerances | Typical Applications |
|---|---|---|---|---|
| Controlled Expansion Alloy | Kovar (4J29), Invar 36 | CTE Matching (4.7±0.2×10⁻⁶/℃), Glass Sealing | ±0.005 mm (Micron-level) | 5G Optical Housings, Laser Diodes, Hermetic Lids |
| Superalloys & Titanium | Titanium Gr. 2 & Gr. 5, Inconel | High strength-to-weight, high temperature limits | ±0.008 mm | Aerospace structures, high-temperature sensors |
| High-Grade Stainless Steel | SUS 304, SUS 316L, 17-4 PH | Corrosion resistance, wear resistance | ±0.005 mm | Linear actuators, medical devices, connector bodies |
| Specialty Copper & Brass | Oxygen-free Copper, C36000 Brass | Superior electrical and thermal conductivity | ±0.010 mm | High-frequency pins, RF connectors, heat-spreaders |
A look inside our advanced, ISO-certified CNC machining and quality control facility.
How we are adopting intelligent technologies, sustainable materials, and advanced tooling to drive down lead times and enhance performance.
The next decade of precision manufacturing will be defined by integration, automation, and green manufacturing. Xinyunyang is actively positioning itself to lead this next industrial evolution by executing a comprehensive three-stage technology roadmap:
By integrating artificial intelligence into our production scheduling systems, we are moving beyond reactive operations. Our machines are progressively utilizing real-time tool-wear monitoring and predictive calibration. By catching micron-level deviations before they occur, we can guarantee consistent quality across high-volume production runs. This also helps reduce waste and ensures high raw-material yields for costly alloys like Kovar.
To produce highly complex cooling channels and lightened internal geometries that traditional 5-axis machines cannot easily access, we are actively researching hybrid production paths. By combining selective laser melting (SLM) metal printing with high-precision subtractive CNC finish-milling, we can construct next-generation heat sinks and high-frequency components that were previously impossible to produce.
In accordance with global standards, we have optimized our supply chains to confirm that all Kovar, Titanium, and Stainless Steel raw stock is fully conflict-free, RoHS-compliant, and ethically sourced. We are also deploying closed-loop cutting fluid filtration systems and energy-efficient drive units to minimize our environmental footprint. Our partners can trust that their finished components are produced to the highest technical and environmental standards.
Essential technical and logistical answers for procurement managers, systems designers, and engineering teams.
Kovar (4J29) is a nickel-cobalt-iron alloy uniquely formulated to display a thermal expansion coefficient (CTE of 4.7±0.2×10⁻⁶/℃) that matches borosilicate glass and silicon chips. In systems exposed to wide temperature swings, using materials with mismatched expansion rates can cause seals to crack, compromising the hermetic environment. Using precision-machined Kovar ensures the package remains vacuum-tight indefinitely.
For high-precision applications, our multi-axis CNC machines and micro-tooling setups can consistently maintain mechanical tolerances of ±0.005mm (5 microns) on critical geometries, including step cavities, pin diameters, and concentric flanges. We confirm these dimensions using coordinate measuring machines (CMM) and optical comparators.
Our integrated ISO 9001 management system and advanced production scheduling work together to minimize setup times and maximize machine utilization. This allows us to start production faster and streamline international shipping workflows, saving overseas customers weeks of waiting compared to traditional manufacturing times.
Yes. We offer a comprehensive suite of surface treatments tailored to high-reliability applications, including electropolishing, chemical passivation, sandblasting, and gold, silver, or nickel electroplating. These treatments are optimized to enhance corrosion resistance, wear resistance, and signal propagation at high frequencies.
We source all raw materials from certified mills that provide full traceability and detailed material test reports (MTR). All our alloys are ESG-validated, RoHS-compliant, and fully conflict-free, ensuring your products align with global environmental and corporate governance standards.
Browse our specialized tooling, connectors, and precision actuators engineered for high-durability setups.
Xinyunyang Precision
