Qijiang Cement Prefabricated Housing

Qijiang has made remarkable progress in the field of cement prefabricated housing (prefabricated buildings), forming a complete industrial chain from production to application, with mature technology and a wide range of application scenarios.

I. Industrial Foundation and Policy Support

Since being designated as a comprehensive pilot zone for the modernization of the prefabricated building industry in Chongqing in 2016, the industrial scale in Qijiang District has expanded rapidly. The district is home to six industrial enterprises above designated size, capable of producing more than 160 types of prefabricated components, including prefabricated beams, composite slabs, stairs, etc., covering core structural components of buildings. At the policy level, pilot projects have been used to promote the implementation of technology. For example, Wenshengchang Farmers' New Village in Zuantang Town, the first prefabricated farmers' new village in southwest China, has a total construction area of over 7,000 square meters and a prefabrication rate of 65%, demonstrating the technical feasibility.

II. Core Enterprises and Technical Capabilities

1. Chongqing Construction Engineering High-tech Building Materials Co., Ltd. (now deregistered) was once a regional leader. After settling in 2011, it developed the capacity to produce 120,000 cubic meters of prefabricated components annually and was one of the first demonstration bases for the modernization of the building industry in Chongqing. Its technology covered standardized products such as prefabricated stairs and composite floor slabs, providing crucial support for early projects.
2. Huacheng Cement House Factory is currently the main enterprise, focusing on the production of customized prefabricated cement houses. It adopts a high-standard reinforced concrete integral pouring process, with houses featuring earthquake and pressure resistance, fire and flame retardancy, and a design life of over 70 years. Its technical highlights include rapid installation (short construction period for a single building) and relocatability (supporting overall relocation or secondary disassembly and assembly), making it suitable for scenarios such as rural dilapidated house renovation and rural self-built houses.

III. Typical Applications and Achievements

The Wenshengchang Farmers' New Village project demonstrates the application advantages of prefabricated buildings in rural concentrated residential areas: through the standardized production of prefabricated components, the construction period is shortened by more than 30%, on-site wet operations are reduced, and dust and noise pollution are minimized. The products of Huacheng Cement House Factory, on the other hand, focus more on personalized needs, such as customizing house structures according to farmers' terrain and functional requirements, while achieving cost control through modular design.

IV. Industrial Trends and Challenges

The prefabricated building industry in Qijiang has shifted from policy-driven to market-driven, but it faces challenges such as enterprise restructuring (e.g., the market vacuum left after the deregistration of Chongqing Construction Engineering High-tech Building Materials Co., Ltd.) and the need for technological upgrades. In the future, it is necessary to strengthen the research and development of lightweight prefabricated components, the配套 (should be translated as 'supporting' or 'complementary') intelligent construction equipment, and expand into new scenarios such as urban affordable housing and cultural tourism homestays to maintain regional competitiveness.