A famous company that was founded in November 2014. From the beginning, the company has adhered to its initial intention of industry, sticking to the business principles of Integrity, Innovation, Cooperation, and Sharing.
The company focuses on Kovar precision processing technology as its core competitiveness, deeply cultivates the fields of semiconductors, optical communications, aerospace, medical devices and new energy/military industry, and is committed to providing miniaturized, customized and high-reliability metal packaging solutions to global customers.
Our goal is to become a significant hermetic package lids, Kovar alloy components, and precision parts supplier in China and even worldwide after years of continuous effort, with the support of our partners and customers.
High-precision processing capability
Advanced technology and equipment
Strict quality control
Flexible customized services
Our structured technical roadmap allows us to deliver high-yield batch manufacturing for the most challenging high-purity thermal matched alloy configurations.
The company has a professional team of more than 100 people, of which technical engineers account for 30%. This concentrated technical pool allows us to quickly dissect complex micro-electronic component specifications and provide high-yield tooling paths.
Our core members have been deeply engaged in precision metal processing for more than ten years, and continue to explore the composite processing technology of special metals such as Kovar and titanium alloys, and proactively layout the cutting-edge packaging needs in the fields of 5G, artificial intelligence and new energy.
With the ISO 9001 certified quality management system and intelligent production scheduling system, Xinyunyang has increased the delivery efficiency of regular orders by 15%-20%, becoming a key supplier with both technical depth and service breadth in the global high-end manufacturing industry chain.
In the fields of microelectronics and vacuum physics, mechanical joints are continually subjected to extreme thermodynamic pressures. Traditional structural metals (such as stainless steels or copper alloys) exhibit high coefficients of thermal expansion (CTE). When fused directly with inorganic glasses or high-grade alumina ceramics, temperature swings generate severe internal tension. This mismatch causes structural delamination, micro-fissures, and catastrophic hermetic failure.
Kovar (designated internationally as ASTM F15, 4J29, or Werkstoff 1.3981) is an iron-nickel-cobalt alloy systematically synthesized to resolve this precise challenge. Comprising approximately 29% Nickel (Ni), 17% Cobalt (Co), and a balanced matrix of Iron (Fe), its chemical composition is tightly monitored to produce a highly specific thermal expansion curve.
Between cryogenic levels and approximately 450°C, the expansion properties of 4J29 Kovar align exactly with the thermal behaviors of hard borosilicate glass (e.g. Pyrex) and standard alumina ceramics. This precise thermal tracking eliminates residual stresses during cooling periods, making it the premier material choice for **glass-to-metal seals (GTMS)**, integrated circuit bases, transistor headers, and high-frequency microwave packages.
Singapore stands as an elite global node for high-value advanced manufacturing. The demand for reliable Kovar raw materials and customized finished components spans across several critical sectors:
Located primarily in Woodlands, Tampines, and Pasir Ris, Singapore's advanced wafer fabrication facilities rely heavily on Kovar frames and packages for highly complex integrated circuits (ICs) and MEMS sensors.
Primary Application: GTMS Packaging Lids & Transistor basesWith Singapore leading regional deployments of ultra-broadband networks, optical sub-assemblies (TOSA/ROSA) require rigid metal enclosures. Custom-machined Kovar shells prevent optical misalignment caused by temperature swings.
Primary Application: Precision Optical Cavities & 5G Module EnclosuresSupported by Seletar Aerospace Park, engineers in avionics demand high-purity Kovar parts to seal sensitive atmospheric sensors and communications payloads against rapid thermal fluctuations in outer space.
Primary Application: Cryogenic Feedthroughs & Sealed Flight ControlsIn today's volatile macroeconomic environment, **supply chain resilience** is just as critical as raw material quality. Relying solely on localized distributors can expose manufacturers to excessive lead times, limited shape profiles (sheets, rods, tubes), and sudden tariff hikes.
By bridging the logistics corridor between our advanced manufacturing plant in Shenzhen/Dongguan and the Port of Singapore, Xinyunyang Precision Technology Co., Ltd. offers a highly optimized sourcing strategy. Customers receive the twin benefits of direct-from-factory pricing and unmatched agility in custom tooling.
Our automated CNC milling centers, slow-wire EDM, and high-speed precision stamping machines handle complex internal layouts, deep cavities, and micro-grooves. This level of detailing is difficult for typical third-party distributors to execute. By maintaining extensive stocks of premium 4J29 Kovar plates and rods at the factory level, we bypass global raw material shortfalls, guaranteeing stable supply lines even during peak order seasons.
Furthermore, Singapore's free trade agreements and highly efficient port handling mean customs clearance for industrial alloys from our factory is streamlined. This minimizes transit delays, ensuring your assembly lines remain productive.
Take a direct look inside Xinyunyang's advanced manufacturing floors, heavy-duty machinery centers, and quality-assurance clean rooms.
As microelectronics evolve toward higher power densities and smaller footprints, Kovar fabrication processes must adapt to meet these new technological demands.
High-performance AI hardware requires integrated liquid cooling channels. Future Kovar designs are incorporating chemical etching and precision micro-laser welding to create internal cooling pathways directly within Kovar lid assemblies. This ensures high-reliability heat dissipation without compromising the hermetic seal of the chip package.
With global industry shifting toward carbon neutrality, Xinyunyang is actively investing in eco-friendly manufacturing practices for 4J29 Kovar. This includes utilizing cleaner electric-arc furnaces, maximizing alloy scrap recovery, and implementing non-cyanide plating methods (such as advanced acid-gold processes) that comply with RoHS and REACH standards.
Next-generation Kovar housings feature electrodeposited gold-nickel multi-layer coatings. These advanced surface treatments provide excellent resistance to aggressive atmospheric environments, such as marine air, while ensuring low-contact electrical resistance and long-term solderability for microwave and RF components.
Clear answers to key technical questions for engineers and purchasing managers sourcing Kovar components for use in Singapore.
Xinyunyang Precision
