Explore our high-reliability hermetic packaging and custom-engineered parts processed with state-of-the-art accuracy.
Founded in November 2014, Xinyunyang Precision Technology Co., Ltd. has established itself as an elite pioneer in the industrial processing spectrum. From our very inception, our organization has committed itself to the fundamental values of industry growth, maintaining a rigid adherence to the core business philosophies of Integrity, Innovation, Cooperation, and Sharing.
We have engineered our technical prowess to focus deeply on Kovar precision processing technology. This technical focus serves as our core competitive foundation. By specializing in this highly demanding domain, we actively support and cultivate solutions across critical sectors, including semiconductors, optical communications, aerospace engineering, highly advanced medical devices, and clean energy platforms.
Our strategic vision is clear: to be recognized globally as the preeminent supplier of hermetic package lids, high-precision Kovar alloy components, and customized mechanical parts. Through tireless integration of cutting-edge technology and human capital, we enable our international client network to push the physical limits of hardware engineering.
Ultra-high-precision processing capabilities targeting sub-micron tolerances.
Comprehensive suite of multi-axis CNC milling, turning, and electrical discharge machining.
Robust ISO 9001 certified quality control, guaranteeing absolute batch reliability.
Flexible customized manufacturing plans spanning quick-turn prototypes to mass production.
An authoritative analysis of dynamic supply chains, advanced materials, and E-E-A-T manufacturing standards.
The global manufacturing ecosystem is undergoing an unprecedented transformation. Traditional, rigid supply pipelines are no longer sufficient to sustain the hyper-accelerated product lifecycles of modern technology sectors. Today, On-Demand Machining is the critical catalyst driving speed-to-market. Industrial giants and technology start-ups alike rely on fast-response manufacturing houses to mitigate risks, decrease capital expenditures, and streamline localized supply corridors.
By decoupling from single-product mass-production systems and transitioning to high-mix, low-volume (HMLV) digital setups, factories can optimize raw material utilization and energy profiles. This meets both economic and environmental objectives. Xinyunyang Precision Technology stands at the intersection of this transition. We offer a deep synergy of technical skill, advanced machinery, and rigorous material science.
Modern microchips and fast fiber networks require materials with closely matched thermal expansion rates. We specialize in machining Kovar alloy housings, ceramic-to-metal transition components, and specialized packaging that protect optical paths and keep signal loss below 0.26dB at 40GHz.
Sub-orbital and deep-space missions expose electronics to severe cosmic radiation and extreme thermal cycling. Our custom aerospace safety shielding, complex bulkheads, and structurally enhanced chassis are built to withstand heavy mechanical stress, ensuring mission safety.
Medical electronics require highly precise, corrosion-resistant housings that ensure complete isolation from internal bodily fluids. We process medical-grade stainless steel and titanium alloys to produce miniature components, internal implants, and rugged diagnostic assemblies.
Delivering a 15%-20% increase in order turnaround times through digital manufacturing control.
Supported by a skilled staff of over 100 people, where expert technical engineers represent 30% of the entire workforce.
Core engineering staff have spent over a decade processing complex, exotic alloys such as Kovar, Titanium, and Inconel.
Our ISO 9001 certified facilities leverage intelligent planning systems to boost standard order delivery speeds by 15% to 20%.
Engineering physical interfaces with matching Coefficients of Thermal Expansion (CTE).
In electronic packaging, mismatched thermal expansion rates can lead to catastrophic component failures. When standard copper or aluminum components are joined directly to silicon wafers, glass seals, or ceramic layers, temperature fluctuations cause uneven expansion. This creates high stress, leading to microscopic cracks, seal failures, and ultimate component destruction.
Kovar Alloy (ASTM F15), containing 29% Nickel, 17% Cobalt, and 54% Iron, is carefully engineered to address this issue. Kovar exhibits a thermal expansion coefficient of approximately 4.7 × 10⁻⁶/°C between 30°C and 400°C. This matches the thermal characteristics of borosilicate glasses and alumina ceramics perfectly. Consequently, it is a critical material for hermetic seals in aerospace and optoelectronics.
| Material Designation | Typical Composition | CTE (30°C to 400°C) | Primary Technical Advantage | Key Applications |
|---|---|---|---|---|
| Kovar (ASTM F15) | 29% Ni, 17% Co, Bal Fe | 4.7 ± 0.2 × 10⁻⁶/°C | Matches borosilicate glass & alumina expansion | Transistor bases, 5G enclosures, optical module bases |
| Titanium (Gr. 5) | Ti-6Al-4V | 8.6 × 10⁻⁶/°C | High strength-to-weight ratio, biocompatible | Aerospace structural brackets, medical implants |
| Stainless Steel 316L | Fe, 17% Cr, 12% Ni, 2.5% Mo | 16.0 × 10⁻⁶/°C | Excellent corrosion and pitting resistance | Fluid control valves, food & pharma gear |
| Oxygen-Free Copper | 99.95% Cu minimum | 17.0 × 10⁻⁶/°C | Extreme electrical & thermal conductivity | High-frequency RF cavities, heat sinks |
Machining Kovar presents significant manufacturing challenges. Due to its high nickel and cobalt content, Kovar is highly ductile and work-hardens rapidly. This causes quick tool wear and can lead to surface micro-cracking if cutting temperatures are not carefully controlled. At Xinyunyang, we use specialized tool geometries, targeted cooling strategies, and custom cutting feeds to ensure clean, burr-free surfaces on all parts.
Step inside Xinyunyang's advanced CNC facility and high-precision inspection center.
Helping our clients navigate demanding industry standards and environmental regulations.
As an international supply partner, Xinyunyang Precision Technology Co., Ltd. does more than just machine high-precision parts. We align closely with global environmental directives and compliance standards, including RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization and Restriction of Chemicals). This compliance ensures that every metal connector, Kovar housing, and structural aerospace bracket we ship is fully documented and safe for integration into consumer and industrial devices.
Our localized engineering support team collaborates directly with client design centers in Europe, North America, and across the Asia-Pacific region. By offering deep Design for Manufacturing (DFM) feedback during early prototyping, we help clients avoid unnecessary tooling setups, choose optimal raw materials, and lower manufacturing costs while maintaining high part reliability.
Addressing critical questions regarding tolerances, exotic materials, and hermetic sealing.
Kovar's popularity stems directly from its controlled coefficient of thermal expansion (CTE) of 4.7 × 10⁻⁶/°C. This profile matches borosilicate glass and alumina ceramic packages perfectly across wide temperature swings. This allows optoelectronic modules to operate without mechanical stress at high frequencies (up to 40GHz) and maintain low insertion loss (IL < 0.26dB), preserving signal integrity.
Kovar work-hardens rapidly and has poor thermal dissipation. To combat this, we use premium carbide-tipped tooling with specialized geometries (e.g., high positive rake angles) to reduce friction. We use high-pressure, water-miscible flood cooling directly at the cutting zone to dissipate heat immediately, preserving dimensional stability and preventing micro-cracking.
Depending on the specific component geometry and raw material, we consistently hold tolerances down to ±0.005mm (5 microns) on our advanced multi-axis CNC machining centers. For critical cylindrical components and bearing surfaces, our precision turning and grinding operations can achieve tolerances within ±0.002mm.
We implement 100% helium mass spectrometer leak testing down to 1 × 10⁻⁹ mbar·l/s for our hermetic packages. Additionally, we specialize in high-quality gold and nickel plating to prevent surface oxidation, ensuring optimal glass-to-metal and ceramic-to-metal bonding during subsequent sealing processes.
High-performance mechanical parts and robust connector assemblies engineered for global industries.
Xinyunyang Precision