Ontario
College of Trades
Jianyin Du
College Of Trades - Journeypersons Class
License number
13274221
Date granted
04/08/2013
Date expires
11/07/2013
Class
College Of Trades - Journeypersons Class
Status
Active
ontariotrades.org
ID 48857845
LAST UPDATED 2026-04-27 13:59:12 UTC
LAST UPDATED 2026-04-27 13:59:12 UTC
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