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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2022

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Summary of estimated useful lives of property, equipment and software

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Category		Estimated Useful Life
Machinery and laboratory equipment	​	5 years
Vehicles	​	4 years
Furniture and tools	​	3 - 5 years
Electronic equipment	​	3 years
Computer software	​	3 - 5 years
Leasehold improvements	​	Lesser of lease terms or estimated useful lives of the assets

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The tabular disclosure of estimated useful lives of property and equipment and software.

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