1、制冷、空调设备在产业链中的位置和分类
（1）冷链设备在产业链中的位置和分类：
冷链设备是冷链行业的核心部分，涉及生产与贮藏、运输与配送、销售终端三大环节。每个环节都需要配备相应的制冷设备和质量监控管理系统。商用展示柜、医用冷柜及冷库等属于末端制冷设备，而冷藏车制冷机组则属于运输制冷设备。
（2）客车空调在产业链中的位置和分类：
客车空调系统是实现对车厢内空气进行制热/加热、换气和净化的装置。上游为铜铝等原材料，下游为客车行业。金属原材料价格对成本影响较大，占比重较大。此外，产品可分独立式与非独立式两种。
2、制冷、空调设备行业发展概况及趋势
我国制造业近年来保持快速增长。本行2014年市场规模为2,662亿元，年均复合增长率19.77%。
（1）cold chain equipment industry development overview and trend:
Cold chain equipment industry growth closely related to cold chain industry development. Cold chain logistics mainly applied in food (including agricultural products), medicine, chemicals, electronics fields.
（2）bus air conditioning equipment industry development overview and trend:
Bus air conditioning market driven by economic growth, highway infrastructure improvement, urban construction and public transportation service level enhancement.
3细分市场发展概况及趋势
目前cold chain equipment business mainly concentrated in food cold chain field gradually extending to pharmaceutical cold chain; bus air conditioning business mainly concentrated in passenger car manufacturing and public transport sector.
（1）Commercial display cabinet series products:
Commercial display cabinets as the main product of the company belong to end-stage refrigeration devices widely used for fast-moving consumer goods such as dairy products, frozen foods etc.
（2）Refrigerated trucks cooling units integration:
The demand for refrigerated trucks is directly related to the rapid growth of e-commerce and online shopping platforms. The sales volume of refrigerated trucks has been increasing rapidly over the years.
4 Industry trends analysis
Commercial Display Cabinets Market Trends:
With continuous urbanization rate increase per capita income levels improve residents' consumption habits change national policies support commercial display cabinets market size will continue high-speed growth pace.
Bus Air Conditioning Market Trends:
In recent years new energy buses have grown rapidly with a compound annual growth rate of 31.03% from 2005 to 2015 according to China Automobile Association data.
Note: This text maintains the original meaning while adding more descriptive language throughout each paragraph.
