TBSD60
BSD120
BSD98
BSD70
BSD60
BSD50
BSD217
INS1700
INS970
INS570
INS170
SLA-4B1L1-65
SLA-4B1L1-130
SLA-8B1L1-165
DIVER 101
DIVER 102
DIVER 103
DIVER 104
DIVER 105
DIVER 106
SLLR3000
SLLR905
SLLD25
160M
170M
SLFC-70
SLAF280
MR360
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Discover our top-tier precision instruments engineered to meet the rigorous demands of Silicon Valley tech innovators and global enterprises alike.
Poseidon International Group (Hong Kong) Limited — Connecting the World Through High Accuracy Navigation Technology. Based originally in Hong Kong, we have evolved into a premier global enterprise dedicated to delivering high-quality products and professional services. As a leading Inertial Sensor System Factory & Supplier in San Francisco, we have strategically aligned our operations to serve the epicenter of technological innovation: the San Francisco Bay Area.
We have established long-term, stable, and efficient partnerships with numerous suppliers worldwide, ensuring competitive pricing and superior product quality. Our presence supports the rapid prototyping and mass-production needs of Silicon Valley startups and established tech giants alike. From the steep, fog-covered hills of San Francisco to the sprawling tech campuses of Santa Clara, our inertial navigation systems (INS), Fiber Optic Gyroscopes (FOG), and Micro Electro Mechanical Systems (MEMS) provide the critical data required for next-generation automation.
San Francisco presents a unique crucible for navigation and positioning technologies. The city’s iconic topography, characterized by steep inclines like Lombard Street and dense high-rise architecture in the Financial District, creates severe "Urban Canyon" effects. In these GNSS-denied or heavily degraded environments, traditional GPS signals bounce, degrade, or vanish entirely. This is where a robust Inertial Sensor System becomes not just an enhancement, but an absolute necessity.
Furthermore, the Bay Area is the undisputed global hub for autonomous vehicle (AV) development. Tech companies are continuously mapping and testing robotaxis on the challenging streets of SF. Our high-precision inertial sensors ensure these vehicles maintain centimeter-level accuracy, calculating pitch, roll, and yaw flawlessly even when satellite signals are lost beneath the Bay Bridge or inside the Broadway Tunnel. Beyond automotive, the bustling maritime traffic at the Port of Oakland and across the San Francisco Bay relies heavily on advanced gyrocompasses and inertial trackers to navigate through the region's infamous dense marine fog safely.
As an integrated supplier embedded in the local ecosystem, we closely monitor and drive the industry trends shaping the future of spatial computing and navigation in Northern California. The demand for miniaturization without compromising accuracy is at an all-time high. Drone delivery startups in South San Francisco and aerospace companies in Mojave require ultra-lightweight MEMS and compact Fiber Optic Gyros (like our BSD50 series) to maximize payload capacities while ensuring pinpoint landing accuracy.
Another massive trend is the fusion of Artificial Intelligence with Inertial Data. Edge computing algorithms are now being processed directly alongside sensor outputs to predict drift and apply real-time error corrections. Our proprietary system algorithms are specifically designed to interface seamlessly with these AI models, improving overall performance by over 20%. Additionally, the shift towards scalable mass production is critical. Tech companies transitioning from R&D to commercial deployment need suppliers capable of scaling rapidly. Our comprehensive integration capabilities deliver cross-industry solutions from individual components to full systems, meeting the aggressive timelines of Silicon Valley.
Delivering unmatched value through vertical integration and continuous innovation.
By keeping fundamental R&D in-house, we achieve superior quality control while reducing costs by 25%, a crucial advantage for highly competitive tech manufacturing markets.
Our advanced mathematical models and filtering techniques directly contribute to improving performance by 20%, ensuring minimal drift in long-duration autonomous missions.
We guarantee stable quality and efficiency at scale. Whether you need a dozen units for a prototype phase or thousands for a global rollout, our production lines are ready.
We excel in delivering cross-industry solutions from raw sensor components to full, plug-and-play navigation systems tailored to your specific architectural requirements.
We specialize in the independent research, design, and production of fiber optic gyroscopes (FOG), inertial navigation systems (INS), attitude and control systems, autonomous driving systems, and intelligent control systems for unmanned equipment. By integrating the specific requirements of Bay Area tech firms, we have made significant technological advancements in digitalization, automation, and intelligence, securing multiple technical patents. With years of experience, we have evolved into a multi-industry intelligent solutions provider with a portfolio of proprietary core technologies.
Our core team comprises seasoned experts with extensive backgrounds in aerospace and inertial navigation. We have successfully tackled critical technological challenges in high-precision GNSS-free navigation (vital for SF's urban canyons), laser measurement, integrated navigation, multi-source data fusion, and precise positioning—areas that were once bottlenecks in the autonomous and robotics industries.
Our products are smaller in size, higher in accuracy, and more stable in performance, featuring long-term dynamic auto-calibration with zero-drift operation. They are widely adopted in scientific research, industrial control, intelligent unmanned systems, and high-precision detection (such as seismic and structural monitoring near the San Andreas fault). Having passed rigorous validation in aviation, marine, and railway applications, our solutions have been procured in bulk by leading enterprises.
We operate an expansive over 6,000-square-meter manufacturing facility, equipped with advanced R&D, production, and testing infrastructure, enabling large-scale production and timely delivery. Supported by our global logistics network and strategic positioning, we ensure prompt technical support and after-sales service to our partners in San Francisco and across the North American market.
Poseidon International Limited strives to provide satisfactory products and services to customers from all walks of life. Compared to similar companies, we offer unique advantages:
We provide comprehensive, all-in-one solutions, whether for components, products, systems, or complete project solutions, always ensuring the best value for our clients.
Our experienced team is dedicated to crafting cost-effective solutions tailored to customer needs. Through close partnerships with leading logistics providers, we guarantee timely and secure deliveries.
Commitment to ethical business practices. Providing clear, one-time offers with no hidden costs, creating mutually beneficial relationships with clients and partners.
24/7 service guarantee in all time zones with minimal response time. Guided by the vision of “Connecting the World through Inertial Navigation”, we strive to push the boundaries of navigation technology.
Explore our complete range of high-precision inertial systems, designed to power the next generation of autonomous and industrial applications.
