Xiamen AOSIF Engineering Ltd., established in 2001, specializes in R&D and manufacturing of generator sets and alternators. With a 33,333㎡ manufacturing base and ISO9001 & ISO14001 certifications, AOSIF produces high-quality products that meet CE standards. The company partners with renowned engine manufacturers like Cummins, Perkins, and Hyundai. AOSIF's product range includes diesel and gas generators, alternators, silent generator sets, mobile power stations, and control systems. The company offers customization and total power station solutions, aiming to be an industry leader and deliver continuous value to customers.

Jindong Mechanical and Electrical Engineering Co., Ltd. specializes in mechanical, electrical, and environmental engineering. It mainly deals in diesel generator sets and related projects, partnering with Caterpillar, Cummins, Rolls-Royce, etc. Jindong develops natural gas, biogas, and coalbed methane power equipment with multiple patents. It offers full services from planning to maintenance, adhering to "quality first, service first," aiming to deliver efficient and high-quality power solutions.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Xiamen AOSIF Engineering Ltd., established in 2001, specializes in R&D and manufacturing of generator sets and alternators. With a 33,333㎡ manufacturing base and ISO9001 & ISO14001 certifications, AOSIF produces high-quality products that meet CE standards. The company partners with renowned engine manufacturers like Cummins, Perkins, and Hyundai. AOSIF's product range includes diesel and gas generators, alternators, silent generator sets, mobile power stations, and control systems. The company offers customization and total power station solutions, aiming to be an industry leader and deliver continuous value to customers.

Jindong Mechanical and Electrical Engineering Co., Ltd. specializes in mechanical, electrical, and environmental engineering. It mainly deals in diesel generator sets and related projects, partnering with Caterpillar, Cummins, Rolls-Royce, etc. Jindong develops natural gas, biogas, and coalbed methane power equipment with multiple patents. It offers full services from planning to maintenance, adhering to "quality first, service first," aiming to deliver efficient and high-quality power solutions.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Xiamen AOSIF Engineering Ltd., established in 2001, specializes in R&D and manufacturing of generator sets and alternators. With a 33,333㎡ manufacturing base and ISO9001 & ISO14001 certifications, AOSIF produces high-quality products that meet CE standards. The company partners with renowned engine manufacturers like Cummins, Perkins, and Hyundai. AOSIF's product range includes diesel and gas generators, alternators, silent generator sets, mobile power stations, and control systems. The company offers customization and total power station solutions, aiming to be an industry leader and deliver continuous value to customers.

Jindong Mechanical and Electrical Engineering Co., Ltd. specializes in mechanical, electrical, and environmental engineering. It mainly deals in diesel generator sets and related projects, partnering with Caterpillar, Cummins, Rolls-Royce, etc. Jindong develops natural gas, biogas, and coalbed methane power equipment with multiple patents. It offers full services from planning to maintenance, adhering to "quality first, service first," aiming to deliver efficient and high-quality power solutions.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Xiamen AOSIF Engineering Ltd., established in 2001, specializes in R&D and manufacturing of generator sets and alternators. With a 33,333㎡ manufacturing base and ISO9001 & ISO14001 certifications, AOSIF produces high-quality products that meet CE standards. The company partners with renowned engine manufacturers like Cummins, Perkins, and Hyundai. AOSIF's product range includes diesel and gas generators, alternators, silent generator sets, mobile power stations, and control systems. The company offers customization and total power station solutions, aiming to be an industry leader and deliver continuous value to customers.

Jindong Mechanical and Electrical Engineering Co., Ltd. specializes in mechanical, electrical, and environmental engineering. It mainly deals in diesel generator sets and related projects, partnering with Caterpillar, Cummins, Rolls-Royce, etc. Jindong develops natural gas, biogas, and coalbed methane power equipment with multiple patents. It offers full services from planning to maintenance, adhering to "quality first, service first," aiming to deliver efficient and high-quality power solutions.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Xiamen AOSIF Engineering Ltd., established in 2001, specializes in R&D and manufacturing of generator sets and alternators. With a 33,333㎡ manufacturing base and ISO9001 & ISO14001 certifications, AOSIF produces high-quality products that meet CE standards. The company partners with renowned engine manufacturers like Cummins, Perkins, and Hyundai. AOSIF's product range includes diesel and gas generators, alternators, silent generator sets, mobile power stations, and control systems. The company offers customization and total power station solutions, aiming to be an industry leader and deliver continuous value to customers.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Jindong Mechanical and Electrical Engineering Co., Ltd. specializes in mechanical, electrical, and environmental engineering. It mainly deals in diesel generator sets and related projects, partnering with Caterpillar, Cummins, Rolls-Royce, etc. Jindong develops natural gas, biogas, and coalbed methane power equipment with multiple patents. It offers full services from planning to maintenance, adhering to "quality first, service first," aiming to deliver efficient and high-quality power solutions.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.

Founded in 2015, Nanjing Fudu is a core subsidiary of Green Holdings and its sole integrated facility for design, production, testing, and service, specializing in power system equipment and photovoltaic energy storage devices. Under Green Holdings’ overseas growth, a dual-brand strategy operates: Nigeria’s VANGE (brand: VANGE) focuses on R&D, design, and sales of standard industrial/commercial and household energy storage products; while Nanjing Fudu (brand: PORTA) specializes in portable and customized energy storage solutions. Nanjing Fudu’s independently developed products—including portable energy storage systems, vehicle-mounted energy storage systems, solar-storage-diesel smart energy cabins, and foldable photovoltaic energy storage systems—have gained strong client interest, with rapid business growth. Backed by over a decade of experience, it holds ISO9001 certification, with two production bases (Nanjing, Chuzhou) and one Nanjing R&D center, supported by four functional centers (Project, Engineering, Design, Chuzhou Experimental) for stringent quality control. Committed to global green new energy’s photovoltaic and energy storage sectors, Nanjing Fudu delivers tailored integrated energy storage solutions for commercial/industrial applications, driving worldwide sustainable energy transition.