Sajet Comprehensive Corporate Overview

Headquartered in China, Sajet specializes in the R&D, design, production and sales of high-performance DC/DC step-down power modules. Focusing on industrial automation, new energy equipment, automotive electronics and 3C intelligent terminal fields, we deliver reliable, high-efficiency and customized power supply solutions for global customers. As a national high-tech enterprise adhering to technological innovation and independent research, we have been certified as a national specialized & sophisticated SME, with core independent intellectual property rights in power conversion and voltage regulation technology.Our core R&D team consists of senior technical elites with decades of experience in power electronics industry, who have long been engaged in the research of high-efficiency energy conversion, low power consumption and high stability power module technology. We have established long-term in-depth cooperative relationships with many well-known domestic and foreign manufacturers, continuously optimizing product performance and iterating innovative technologies to meet the diverse and high-standard power supply demands of complex industrial scenarios.We operate standardized R&D centers and intelligent production bases, equipped with professional testing laboratories and advanced production and inspection equipment. Building a comprehensive service and delivery network covering domestic and overseas markets, we provide standard and non-standard customized DC/DC step-down modules and one-stop power system matching solutions for manufacturers worldwide, winning wide recognition for stable product quality, excellent technical support and efficient after-sales service.

Sajet Technical Strength & Official Certifications

Sajet completed its global R&D layout by gathering core technical talents with rich experience in power electronics and power supply module industries, absorbing advanced R&D concepts and manufacturing technologies from leading domestic and foreign power supply enterprises. The company has built a professional specialized R&D system focusing on DC/DC step-down module technology research and product iteration, strictly following international industrial power supply design specifications and high-precision manufacturing standards.

Sajet’s domestic and overseas R&D teams realize real-time synchronization of technical drawings, process parameters and product test data. Supported by a complete technical R&D platform and testing system, the company is capable of undertaking high-standard global power module projects and developing customized DC/DC step-down power supply solutions for domestic new energy, industrial control and intelligent terminal manufacturers, forming a professional technological R&D and innovation channel that integrates domestic and foreign advanced power electronics technologies.

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Powerful Global Intelligent Manufacturer

Sajet has built a global R&D system by gathering elite power electronics professionals and adopting cutting-edge power supply technologies worldwide. Focusing on high-efficiency conversion, low power consumption and high stability, we develop and optimize high-performance DC/DC step-down modules in full compliance with international standards. Supported by in-house laboratories and synchronized domestic and overseas R&D data, process and design resources, Sajet delivers standardized and customized DC/DC power solutions for high-end global projects covering new energy, industrial control and intelligent terminal industries.

Sajet builds a coordinated domestic and overseas industrial layout. Hangzhou headquarters leads core R&D and technical innovation; Zhuzhou and Taian bases undertake standardized mass production and precision testing; Thailand base serves Southeast Asian markets; overseas technical centers focus on high-end customized DC/DC power solutions. Covering a total plant area of over 20,000 ㎡, Sajet integrates full-process R&D, testing, precision assembly and global delivery. Its cross-regional operational capacity shortens delivery lead times for global clients, providing localized technical support for new energy, automotive electronics and industrial control enterprises across Asia, and forming a complete one-stop global power module supply system.

Sajet’s core R&D team is consolidated with industry senior technical talents from NVIDIA, TI and ADI , taking the overseas technical center in Japan as its global R&D hub, focusing on the technical research and product iteration of high-performance DC/DC step-down modules. Its cross-disciplinary engineer team covers power electronics, circuit design, structural optimization and reliability testing, mastering core technologies for high-precision power conversion and industrial-grade power module development. Supported by domestic and Japanese technical laboratories, the company continuously iterates and upgrades customized power supply solutions, strictly aligning with U.S  and Japanese top-tier industrial technical standards to deliver high-reliability, differentiated DC/DC power products for global customers.

2006 | Company Foundation

On January 5, 2006, Sajet was formally incorporated with an official registered capital of 10 million RMB, laying a solid foundational framework for the enterprise’s long-term R&D, production and global layout of high-performance DC/DC step-down power modules.

2008 | Strategic Cooperation with Global Consumer Electronics Leader

Sajet launched in-depth joint development cooperation with core clients in the global consumer electronics supply chain, independently developing and optimizing high-stability DC/DC step-down module solutions dedicated to precision electronic terminal equipment, marking the company’s official entry into the global high-end consumer electronics power supply market.

2009 | Admission to Bosch Global Automotive Supplier System

Sajet passed rigorous multi-dimensional qualification audits including automotive-grade reliability, EMC electromagnetic compatibility and batch production capability, officially joining Bosch’s global supplier ecosystem. The company focuses on the customized R&D and mass production of automotive-grade DC/DC step-down power modules that meet automotive AEC-Q certification standards. This milestone built long-term cooperative ties with top international automotive suppliers and solidified Sajet’s professional layout in the high-reliability automotive power module industry.

2012 | National High-tech Enterprise Accreditation & Industry-University Cooperation

Sajet was officially accredited as a National High-tech Enterprise, obtaining the core authoritative qualification for independent technological innovation in the power electronics industry. In the same year, the company launched long-term industry-university collaborative research projects with Zhejiang University. By integrating advanced academic research achievements with industrialized R&D and manufacturing practices of DC/DC step-down modules, Sajet accelerated the technological iteration and performance upgrading of high-efficiency and high-reliability power module products.

2013 | Completion & Operation of Second Manufacturing Base

Sajet completed the construction and official commissioning of its second standardized manufacturing base. The new facility greatly expands the company’s production scale, precision processing capacity and full-product delivery capabilities, effectively boosting the mass production and supply capacity of industrial and automotive-grade DC/DC step-down modules to meet the rapidly growing market demands from domestic and overseas customers.

2019 | Official Establishment of Thailand Overseas Branch

To adapt to the rapid development of the Southeast Asian new energy and electronic manufacturing market, Sajet officially launched its overseas branch in Thailand. The branch provides localized technical support, product debugging and after-sales service for global customers with layout in Southeast Asia, delivering fast and reliable on-site support for the batch delivery and stable application of industrial and automotive-grade DC/DC step-down modules, further improving the company’s global market service and delivery capability.

2020 | Shandong TaiAn Production Base Officially Put Into Operation

The brand-new large-scale intelligent production base located in TaiAn, Shandong, completed construction and was fully put into mass production operation. The base specialized in the R&D, assembly and delivery of new energy lithium battery automated production equipment, further expanding the enterprise’s market share in the global new energy intelligent manufacturing track.

2021 | Gazelle Enterprise Certification & Joint Laboratory Construction with Shanghai Academy of Sciences

Sajet achieved two major milestone breakthroughs in 2021. The company was officially certified as a municipal-level Gazelle Enterprise, recognizing its rapid growth and outstanding technological innovation strength in the power electronics industry. Meanwhile, Sajet established formal cooperative ties with the Shanghai Chinese Academy of Sciences to jointly build a professional new energy power electronics laboratory. The in-depth industry-university research collaboration effectively accelerates the core technology research and product iteration of automotive and new energy DC/DC step-down modules, further strengthening the company’s independent R&D and core competitive advantages in the power module field.

Long-term Global Top Partners

Through its overseas technical center in Japan, Sajet has maintained long-term strategic cooperation with industry-leading enterprises including NVIDIA,  TI and ADI. The company delivers high-matching DC/DC step-down module products and customized power supply solutions for premium manufacturers at home, as well as clients in South Korea,Thailand and Southeast Asia. By co-developing technical processes with global industry leaders and strictly adhering to international quality and reliability standards, Sajet has accumulated abundant cross-border delivery experience and built a sound global after-sales service system, serving as a reliable professional DC/DC power module supplier for worldwide clients.

Sajet Large-scale Production Capacit

Sajet operates multiple standardized production bases located in Hangzhou, Zhuzhou, Taian and Thailand, covering a total plant area of over 20,000 square meters, with independent functional workshops dedicated to precision processing, module assembly, electrical debugging and professional reliability testing. All DC/DC step-down module products undergo strict 72-hour continuous aging inspection and full-performance testing before delivery to ensure stable quality and industrial-grade reliability. The linked multi-base collaborative production system supports the simultaneous undertaking of bulk domestic and overseas orders, effectively shortening delivery cycles. It enables efficient mass production of standard DC/DC modules and flexible customized development of special-specification power products, empowering stable and fast export supply for global customers.

One-stop Custom Non-standard Service

Sajet focuses on customized non-standard DC/DC step-down module solutions to meet differentiated industrial power supply demands. Supported by experienced Chinese and Korean technical engineers, the company tailors exclusive power supply design schemes according to clients’ product parameters, operating environment and performance indicators, covering automotive electronics, new energy equipment, industrial control and smart terminal scenarios. We provide full lifecycle one-stop services including demand communication, scheme customization, circuit modeling, sample testing, batch production and overseas technical commissioning. All exported products comply with international voltage specifications and global safety certification standards, equipped with multilingual technical drawings and operation manuals, greatly simplifying clients’ local equipment deployment and global project implementation.

Endorsed by Global Top Brands

Choose Sajet for premium DC/DC step-down module solutions empowered by long-term cooperation with world-leading industrial manufacturers. Since 2019, We center has maintained in-depth strategic collaboration with NVDIA, TI and ADI, verifying that our power module core technology reaches top U.S and Japanese industrial standards. Gathering senior R&D talents from leading global power electronics enterprises and operating dual China-Korea R&D centers, we continuously iterate advanced power conversion technologies and processes. Backed by National High-tech Enterprise and professional industry certifications, we deliver authoritative, reliable technical strength and product quality. With four domestic and overseas production bases covering over 20,000 square meters, we support efficient mass production and rapid order delivery for global clients. Boasting abundant mature application cases in new energy, automotive electronics, industrial control and 3C industries, we leverage proven technical processes to effectively reduce clients’ R&D and procurement costs. Sajet provides full-lifecycle one-stop services covering customized design, precision production, global delivery and overseas after-sales maintenance, offering stable, high-matching and cost-effective DC/DC power supply solutions for domestic factory upgrading and overseas industrial automation projects.
Global Intelligent Manufacturing Supplier
With years of in-depth expertise in industrial power electronics, Sajet builds dual China-Japan R&D platforms and a global multi-region production layout to deliver tailored DC/DC step-down module solutions for manufacturers worldwide. Our core R&D team stems from top U.S and Japanese power electronics enterprises, mastering full technical processes for automotive electronics, new energy equipment and 3C precision terminals, with full-cycle service capabilities covering customized design, prototype verification, standardized mass production and overseas technical commissioning. Empowered by national high-tech enterprise certifications and long-term strategic partnerships with global industry leaders including NVIDIA and TI, our overseas production base greatly shortens delivery cycles for Southeast Asian markets. We provide multilingual technical support and standardized long-term after-sales services, delivering stable, high-efficiency and highly adaptable DC/DC power supply solutions for global industrial and automotive intelligent manufacturing scenarios.
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