2026 Top 10 Expansion Box Manufacturers in China

Anhui Zuyuan Electric Power Technology Co., Ltd

Anhui Zuyuan Electric Power Technology Co., Ltd., registered at the southeast corner of Qiaotouji Road and Yuanhe West Road intersection in Dianbu Town, Feidong County, Hefei City, Anhui Province, with the registration authority of Feidong County Market Supervision Administration and the legal representative of Yan Tingfeng. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of distribution switch control equipment; Manufacturing of photovoltaic equipment and components; Manufacturing of mechanical and electrical equipment; Battery manufacturing; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of power facilities and equipment; Manufacturing of monitoring and control equipment for power transmission and distribution; Manufacturing of electric dynamometer motors; Manufacturing of capacitors and their supporting equipment; Energy storage technology services; Import and export of goods; Technology import and export; Import and export agency; Manufacturing of metal structures; Sales of metal structures; Rental services (excluding licensed rental services); estate management; Non residential real estate leasing; Labor services (excluding labor dispatch); Manufacturing of office equipment consumables; Sales of office equipment and consumables; Manufacturing of hardware products; Retail of hardware products; Operation of wires and cables; Sales of building decoration materials; Sales of solar thermal utilization equipment; Sales of photovoltaic equipment and components; Research and development of distribution switch control equipment; Sales of distribution switch control equipment; Sales of power electronic components; Sales of monitoring and control equipment for power transmission and distribution; Sales of building materials; Sales of mechanical and electrical equipment; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Operation of electric vehicle charging infrastructure; Sales of charging stations; Sales of intelligent power transmission and distribution and control equipment; Centralized fast charging station; Manufacturing of power transmission, distribution, and control equipment (excluding licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations) License project: Manufacturing of special equipment; Installation, renovation, and repair of special equipment; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Construction labor subcontracting (for projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects are subject to approval documents or permits from relevant departments). Core products: Expansion Box, New Energy Power Station, Armored Removable Ac Metal Enclosed Switchgear

Shanghai Tangcheng Activity Room Co., Ltd

Shanghai Tangcheng Activity House Co., Ltd., with its registered address at Room 254, Zone L, 2nd Floor, No. 2088 Songze Avenue, Xujing Town, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision Administration. The legal representative is Hu Tangtang, and its business scope includes general projects such as metal structure sales; Sales of concrete structural components; Sales of building materials; Sales of building waterproofing membrane products; Sales of coatings (excluding hazardous chemicals); Sales of household appliances; Sales of building decoration materials; Retail of hardware products; Research and development of hardware products; Wholesale of hardware products; Professional design services; Industrial design services; Industrial engineering design services; Rental services (excluding licensed rental services); Residential water and electricity installation and maintenance services; Installation services for ordinary mechanical equipment; Home appliance installation services; Installation services for environmental sanitation public facilities; Mechanical equipment leasing; Non residential real estate leasing; Housing rental. (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) Licensed project: construction project construction; Construction project design; 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. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Expansion Box, Packing Box, Prefabricated House

Shandong Jinda Green Building Integrated Housing Co., Ltd

Shandong Jinda Green Building Integrated Housing Co., Ltd. is located 50 meters east of the intersection of Weichang Road and Wanshan Road in Changle County, Weifang City, Shandong Province. It was established on June 18, 2019, and registered with the Changle County Market Supervision Administration. The legal representative is Li Tengteng. Core products: Expansion Box, Container Activity Room, Prefabricated House

Zhongyu Steel Structure Co., Ltd

Zhongyu Steel Structure Co., Ltd., with its registered address located west of Xingle Road and south of Expressway in Guanjia Village, Weicheng District, Weifang City, Shandong Province, is registered with the Market Supervision Administration of Weicheng District, Weifang City. The legal representative is Zhang Jietai, and its business scope includes general projects such as metal structure sales; Sales of building materials; Sales of building decoration materials; Container sales; Retail of hardware products; Sales of electronic components and electromechanical equipment; Sales of mechanical equipment; Sales of sanitary ware; Sales of firefighting equipment; Sales of metal products; Sales of security equipment; Sales of metal materials; Sales of lighting fixtures; Sales of doors and windows; Sales of new ceramic materials; Import and export of goods; Technology import and export; Container leasing services; Container maintenance; Manufacturing of metal structures; Container manufacturing; Installation services for ordinary mechanical equipment; Construction of metal doors and windows engineering; Residential water and electricity installation and maintenance services; Building cleaning services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: residential interior decoration and renovation; Construction project construction; Demolition of buildings (excluding blasting operations). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Expansion Box, Expansion Box Room, Foldable Box

Shandong Zhongyu Integrated Housing Co., Ltd

Shandong Zhongyu Integrated Housing Co., Ltd., with its registered address located 20 meters northeast of the intersection of Gongye Second Street and Kaituo Road in the Economic Development Zone of Weicheng District, Weifang City, Shandong Province, is registered with the Market Supervision Administration of Weicheng District, Weifang City. The legal representative is Qi Yongquan, and the business scope includes general projects such as metal structure manufacturing; Sales of building materials; Furniture installation and maintenance services; Construction of landscaping and greening projects; Non residential real estate leasing; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; House demolition services; Container manufacturing; Manufacturing of lightweight building materials; Container sales; Sales of insulation materials; Construction of metal doors and windows engineering; Manufacturing of metal products for safety and firefighting purposes; Sales of metal structures; Container leasing services; Retail of hardware products; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Expansion Box, Packing Box, Fast Lcl

Shandong Zhongda Construction Engineering Co., Ltd

Shandong Zhongda Construction Engineering Co., Ltd., located at Building 8 and Building 9, No. 436 Xincheng Street, Zhuliu Street, Changle County, Weifang City, Shandong Province, was established on December 29, 2021. The registration authority is Changle County Market Supervision Administration, and the legal representative is Ren Yuhao. Core products: Expansion Box, Double Wing Expansion Box, Packing Box

Shandong Guoheng Green Building Industry Co., Ltd

Shandong Guoheng Green Building Industry Co., Ltd., with its registered address at Room 1809, Building 14, Quanfuyuan, No. 5777 Fangshan Road, Baodu Street, Changle County, Weifang City, Shandong Province, is registered with the Changle County Market Supervision Administration. The legal representative is Gao Nana, and its business scope includes general projects such as research and development of new material technology; Research and development of metal products; Manufacturing of metal structures; Manufacturing of metal materials; Repair of metal products; Sales of metal materials; Sales of metal products; Sales of metal structures; Manufacturing of metal fittings for construction; Sales of new metal functional materials; Construction of metal doors and windows engineering; Container manufacturing; Container sales; Container maintenance; Container leasing services; Retail of hardware products; Sales of building decoration materials; Sales of building materials; Sales of office equipment; Sales of metal fittings for construction; Sales of refrigeration and air conditioning equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Expansion Box, Double Layered And Multi Story Activity Board House, Packing Box