What is the relationship between neutralization, zhongqing and Jian' an?

It doesn't matter if they are all construction companies.

Zhongchengxiang Construction Group Co., Ltd. was established on March, 2065438 18. The legal representative is Su Zhongguang, and the business scope of the company includes: subcontracting of construction services (operating by qualification); General contracting of construction projects; Real estate development; Landscaping engineering, landscape engineering, construction engineering, municipal public works, architectural decoration engineering, curtain wall engineering, intelligent building engineering, foundation and foundation engineering, steel structure engineering; Property management; Import and export of goods and technologies (excluding the import of publications); Technical inspection, technical consultation and technical popularization; Sales: building materials, decorative materials, gold and silver products, wires and cables, mechanical and electrical equipment, metal materials, chemical products (excluding dangerous goods) and mineral products (excluding mineral products specially controlled, restricted and prohibited by the state, excluding dangerous goods); Housing lease; Collect utilities, etc.

Zhongqing Jian 'an Construction Group Co., Ltd. was established in March 1997. The legal representative is Yang Tiantong, and the business scope of the company includes: general project contracting; Real estate development and management; Investment management and operation of self-owned funds; General contracting of municipal engineering; Foreign contracted projects and labor cooperation business; Landscaping engineering and landscape engineering; Cultural relics protection project; Engineering construction, design, scientific research, testing and consulting services; Research and development, construction, technical consultation and energy-saving evaluation of green energy-saving buildings (including prefabricated buildings); R&D, design and sales of energy-saving building materials; Technical consultation on energy-saving buildings; Property management; Import and export business of goods and technology; Municipal engineering; International technical cooperation and exchange; Sales: building decoration materials, gold products, platinum products, silver products, wires and cables, mechanical and electrical equipment, metal materials (excluding rare and precious metals), chemical products (excluding dangerous goods) and mineral products (except those prohibited by the state); Housing lease; Collect utilities, etc.