Abstract:In the future, under the background of strong support from national policies, the autoclaved aerated concrete equipment manufacturing industry will continue to make efforts to quickly complete the structural adjustment of eliminating backwardness and equipment upgrading, comprehensively improve the technical level of the industry, and realize the rapid layout of the market, thereby promoting the optimization of downstream product structure and realizing the sustainable development of the autoclaved aerated concrete industry. Taking into account the expansion and renewal of complete sets of equipment, the transformation of sections and the upgrading of intelligent applications, the China Aerated Concrete Association expects that by 2025, the industry will be able to form an annual sales volume of about 15 billion yuan of all equipment, and by 2030, it will achieve about 20 billion yuan.
1. Definitions and Classification
The autoclaved aerated concrete equipment industry refers to the manufacturing field that focuses on the production of special technical equipment for the production of autoclaved aerated concrete blocks and autoclaved aerated concrete panels. This industry encompasses the R&D, manufacturing and sales of technical equipment required for the entire production process, from raw material handling, mixing and mixing, molding and curing to cutting and packaging.
According to the product classification, the autoclaved aerated concrete equipment industry mainly includes two categories: autoclaved aerated concrete block production line equipment and autoclaved aerated concrete plate production line equipment. The autoclaved aerated concrete block production line equipment is used to produce autoclaved aerated concrete blocks of various specifications and sizes, which have the characteristics of lightweight, heat preservation, heat insulation, fire prevention, etc., and are widely used in building walls, floor slabs and other parts. The autoclaved aerated concrete sheet production line is equipped for the production of autoclaved aerated concrete panels of various thicknesses and sizes, which also have the characteristics of lightweight, thermal insulation, etc., and are often used in building exterior walls, interior walls, roofs and other parts.
Second, industry policies
The autoclaved aerated concrete equipment manufacturing industry in the mainland started late, and the overall self-sufficiency rate of domestic medium and high-end autoclaved aerated concrete equipment was insufficient due to insufficient overall R&D investment and weak technological innovation ability in the early stage. In order to accelerate the development of the autoclaved aerated concrete equipment industry, in recent years, the state and the government have successively introduced a number of favorable policies to vigorously promote the healthy and orderly development of the industry. In December 2023, the Ministry of Industry and Information Technology and other ten departments jointly issued the "Implementation Plan for the High-quality Development of the Green Building Materials Industry", proposing to promote the application of green building materials in the field of infrastructure construction and increase the proportion of green building materials such as high-performance concrete in engineering projects. Under the steady deepening of relevant industrial policies, the demand for building materials such as high-performance concrete will continue to grow, promoting concrete manufacturing enterprises to accelerate product research and development, continue to improve product performance, and then drive the high-quality development of autoclaved aerated concrete equipment and other industries.
3. Industry barriers
1. Barriers to technology research and development
The AAC equipment manufacturing industry is a technology-intensive industry with a high degree of complexity and systemic characteristics, which requires equipment manufacturing enterprises to not only master the core equipment precision manufacturing and assembly technology, but also have a deep understanding of the autoclaved aerated concrete production process, and comprehensively consider the different requirements of different customers for process conditions, spatial layout, and operation management for personalized design. Enterprises in this industry, especially medium and high-end equipment manufacturing enterprises, need to have strong equipment R&D and design capabilities, solid manufacturing and assembly technology, and integrate multidisciplinary and multi-field advanced technology, with high processing accuracy requirements, complex manufacturing processes, and relatively high technical thresholds.
2. Barriers to human resources
Autoclaved aerated concrete equipment manufacturing industry is a set of planning and design, product development, equipment manufacturing, installation and commissioning, after-sales service in one of the system engineering, is a multi-disciplinary, cross-field comprehensive industry, the industry enterprises need a large number of master equipment manufacturing, system design, module construction, factory planning, production line layout and other aspects of high-quality, high-skilled compound professionals, in order to ensure the advancement of product technology and market applicability. The training of professional production technicians and management personnel can not be completed in a short period of time, which is also a big obstacle for new entrants in the autoclaved aerated concrete equipment manufacturing industry.
3. Brand barriers
Whether the AAC equipment can continue to operate efficiently and stably will directly affect the qualification rate and quality of downstream AAC products, and also affect the energy consumption and efficiency of the entire production process. Only equipment suppliers with a high level of technology, production and service capabilities, quality control capabilities and after-sales service capabilities, as well as a certain market reputation can have strong competitiveness, and for new entrants, it takes a long time from entering to being recognized.
Fourth, the industrial chain
1. Analysis of the industry chain
The upstream of the AAC equipment manufacturing industry is mainly a supplier of raw materials such as steel, auxiliary components, motor reducers, and hardware systems. Among them, steel is the largest raw material consumed by autoclaved aerated concrete equipment, steel prices are affected by the macroeconomic situation, market supply and demand, but also by political factors and capital markets, and its price fluctuations have a greater impact on the overall production cost of the industry. The industrial chain of China's autoclaved aerated concrete equipment industry is shown in the following figure:
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