What is the relationship between Shandong Hejian Construction Co., Ltd. and Shandong Hejian Group? Are the unit benefits guaranteed? Please give me some guidance! Thank you very much

Shandong Hejian Construction Group Co., Ltd. (formerly Heze Construction Engineering Corporation) was founded in 1951. It is the earliest first-class enterprise with general contracting qualifications for construction in Heze City. The group company integrates civil engineering, structures, industrial equipment installation, mechanical and electrical equipment installation, municipal engineering, foundations and foundations, steel structures, building decoration and decoration, concrete prefabricated components, steel, aluminum, wooden door and window production and processing, construction machinery and equipment, turnover material leasing, It integrates building materials distribution and has jurisdiction over 11 subsidiaries, 19 civil engineering project departments and installation branches, and 35 production and operation units. It has more than 4,000 employees, including more than 700 professional and technical personnel, 76 with senior professional titles, 311 with intermediate professional titles, and 42 first-level project managers. The first batch of 18 national first-class construction engineers passed the examination. The company has total assets of more than 200 million yuan, 713 various construction machinery and quality testing equipment suitable for the scope of contracted projects, and an annual production capacity of more than 2 billion yuan.