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| Operation link | There is a problem | 
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| Transportation | ① Lack of strict quality inspection implementation standards; | 
| ② Informal cold chain transportation tools are widely used; | 
| ③ Lack of professional transportation operators; | 
| ④ Lack of professional transportation route optimization talents, and unreasonable transportation routes increase transportation costs; | 
| ⑤ The convertibility of cold chain transportation is low; | 
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| Loading and unloading | ① The degree of mechanization of the loading and unloading operation is low; | 
| ② The enterprise does not have the guarantee of low-temperature environment; | 
| ③ The loading, unloading, and handling equipment is backward, which prolongs the handover time of inbound and outbound warehouses; | 
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| Warehousing | ① The geographical distribution of cold storage is uneven, and the capacity is very insufficient; | 
| ② The precooling setting of items is low, and the temperature control and adjustment are illegal; | 
| ③ The degree of automation of the cold storage is low, which wastes human resources; | 
| ④ The refrigeration technology is generally backward; | 
| ⑤ The cold storage has high energy consumption and high noise, which hurts the ecological environment; | 
| ⑥ There are few value-added services in the warehousing link; | 
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| Distribution processing and packaging | ① The processing link cannot fully guarantee low-temperature operation; | 
| ② The circulation processing equipment is lagging, the processing defective rate is high, and the waste is serious; | 
| ③ Improper disposal of processing waste; | 
| ④ The standardization of packaging is low, the packaging materials are not conducive to recycling, and the environment is polluted; | 
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| Delivery | ① The degree of marketization of distribution is low; | 
| ② The degree of informatization in the distribution process is low; | 
| ③ The standardized configuration of distribution vehicles is low; | 
| ④ The value-added business of the logistics distribution center is few; | 
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