Related Party Balances and Transactions (Tables)

12 Months Ended

Dec. 31, 2021

Related Party Transactions [Abstract]

Schedule of relationship with the group

Name	Relationship with the Group
Ochem Chemical Co., Ltd (“Ochem”)	Controlled by CEO
Ochemate Material Technologies Co., Ltd (“Ochemate”)	Controlled by CEO

Schedule of related party transactions

	Year Ended December 31,
	2019		2020		2021
Raw material sold to Ochem	$	—	$	167	$	390