Permit items: Construction Engineering Design; Electrical installation services; Construction engineering construction; Construction engineering supervision; Road Cargo Transport (network freight); Road cargo transport (excluding dangerous goods). (for projects subject to approval according to law, the relevant departments may not start business activities until they have been approved by the relevant departments. The specific business projects shall be subject to the approval documents or permit documents issued by the relevant departments. ) General projects: Metal Structure Manufacturing; Construction metal parts manufacturing; Metal Materials Manufacturing; Transportation and public management metal signs manufacturing; Metal products sales; Construction materials sales; Information consulting service (excluding licensing information consulting service); Sales of metal structure; Sales of metal materials; Sales of construction steel products; Hardware retail; Sales of architectural decoration materials; Office equipment sales; Import and export of goods; Renewable resources processing; Wholesale hardware products; Wire and cable business; Construction metal accessories sales; Mold sales; Mechanical parts, parts sales; Valve and cock sales; Cable sales; Special labor protection supplies sales; Pipeline transportation equipment sales; Instrument Sales; Industrial engineering design services; Office supplies sales; General mechanical equipment installation services; Special equipment repair; General equipment manufacturing (excluding special equipment manufacturing); Electrical equipment sales; Motor manufacturing; Lubricants sales; General merchandise sales; Arts and Crafts and collectibles retail (except ivory and its products); Handling; Landscaping engineering construction; Graphic design; General merchandise sales; Advertising production; Import and export agent; Engineering management services; Construction machinery sales; Construction machinery manufacturing; Construction machinery and equipment leas...A national level high-tech enterprise integrating services, a scientific and technological enterprise in Shandong Province, a member unit of the China Template Scaffolding Association, and a "Top 100 Enterprise", "Special Qualification Enterprise", and "Excellent Enterprise" in the Chinese template industry. The main products include high-speed railway and municipal engineering bridge templates, hanging baskets, tunnel trolleys, bridge static load test benches, urban pipe racks, light rail, steel box beams, segmental beams, etc. The products are used for the construction of infrastructure such as high-speed railways, subways, and pipe racks. The main customers include China Railway Group and China Railway Construction Corporation

Group, China Communications Corporation, China Hydroelectric Corporation, etc.