2026 Top 10 Power Supply Unit Manufacturers in China Tianjin

Shandong Wanzhou Holdings Group Co., Ltd

Shandong Wanzhou Holdings Group Co., Ltd., registered at 724 Dingfeng Center, No. 6 Jiefang Road, Lixia District, Jinan City, Shandong Province (multiple photos for one address), registered with the Market Supervision Administration of Lixia District, Jinan City, with Ji Denghao as the legal representative. Its business scope includes general projects: engaging in investment activities with its own funds; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Enterprise management consulting; Conference and exhibition services; Market research (excluding foreign-related research); Socio economic consulting services; Advertising design and agency; Advertising release (excluding radio stations, television stations, and newspaper publishing units); Advertising production; Organize cultural and artistic exchange activities; Software development; Basic software development for artificial intelligence; Development of artificial intelligence application software; Environmental protection monitoring; Sales of specialized instruments and meters for environmental monitoring; Sales of specialized equipment for environmental protection; Sales of instruments and meters; Instrument and meter repair; Wholesale of electronic components; Retail of electronic components; Electronic product sales; Sales of communication equipment; Repair of communication equipment; Wholesale of hardware products; Retail of hardware products; Sales of office equipment; Specialized equipment repair; Operation of wires and cables; Sales of chemical products (excluding licensed chemical products); Sales of firefighting equipment; Sales of household appliances; Home appliance installation services; Sales of mechanical equipment; Mechanical equipment leasing; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Sales of lighting fixtures; New car sales; Sales of used cars; Retail of automotive spare parts; Battery sales; Battery leasing; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of plastic products; Computer system services; Information technology consulting services; Sales of industrial automatic control system devices; Construction of landscaping and greening projects (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License projects: general contracting of housing construction and municipal infrastructure projects; Various engineering construction activities; Construction labor subcontracting; Construction professional operations; Import and export of goods; Technology import and export (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Power Supply Unit, Shuangdeng Battery, Sail

Zhejiang Laolan Information Technology Co., Ltd

Zhejiang Laolan Information Technology Co., Ltd., with its registered address at Building 3, 4th Floor, No. 159 Gushan Avenue, Qiandaohu Town, Chun'an County, Hangzhou City, Zhejiang Province, is registered with the Chun'an County Market Supervision Administration Bureau and represented by Wang Laibing as the legal representative. Its business scope includes general projects such as network technology services; Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Internet of Things technology services; Internet of Things application services; Information consulting services (excluding licensed information consulting services); Information system integration services; Information system operation and maintenance services; Software development; Marketing planning; Internet data service; Development of network and information security software; Integrated circuit chip design and services; Integrated circuit design; Manufacturing of electronic components; Manufacturing of other electronic devices; Manufacturing of communication equipment; Manufacturing of optoelectronic devices; Manufacturing of optical communication equipment; Manufacturing of integrated circuit chips and products; Manufacturing of computer software, hardware, and peripheral devices; Operation of wires and cables; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of electronic components; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Sales of communication equipment; Sales of communication equipment; Sales of optical communication equipment; Sales of optoelectronic devices; Fiber optic sales; Fiber optic cable sales; Internet sales (except for the sale of goods that need to be licensed); Sales of mechanical equipment; Sales of electrical equipment; Software sales; Retail of electronic components; Retail of computer software, hardware, and auxiliary equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Repair of communication equipment; External contracting projects; Import and export of goods; Sales of refrigeration and air conditioning equipment; Battery sales; Sales of distribution switch control equipment; Fastener manufacturing; Sales of metal chains and other metal products; Metal structure manufacturing (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law).. Core products: Power Supply Unit, Module, Cable Organizer