Shandong Shijie Heavy Industry Co., Ltd. is located in Jining High‑tech Development Zone, Shandong Province, the hometown of Confucius and Mencius. Covering an area of more than 120 mu, with a registered capital of 120 million yuan and over 600 employees, it is a comprehensive service enterprise engaged in general contracting of construction, municipal, petrochemical, pressure pipeline and long‑distance pipeline projects. It also manufactures products including steel structures (grid frames, trusses), pressure vessels, SF/FF double‑layer oil tanks, skid‑mounted refueling devices and various metal containers. As a modern national‑level high‑tech enterprise, it integrates general project contracting, R&D and design, production and manufacturing, equipment sales, project cooperation and after‑sales service.