WWPCM: Cards printed in Yiwu (town in the province ZheJiang, 义乌, Zip 579)
I know:

1. "Wuyi Yingxiang Color Printing Co., Ltd" update 25.11.2010

2. "TongDa Printing Co., Ltd.": http://www.zjtdyy.com/en/gsjj.htm, since 1996

since
?
standard joker
d07789
update
25.11.2007
2009 "Rtm"
d10502
update
30.08.2009
? "?"
d14546
update 04.04.2014

3.  "East Playing Cards": http://www.eastcards.com/index.htm, since c.1990
4. "Yiwu Playing Card Factory", http://www.poker.com.cn/
the same? "Yiwu Playing Card Company"

since
?
standard joker
d07813
update
26.11.2007
since
?
standard joker
d03132
update
11.04.2018

5. "B.W.C.D."
? so printed for Ekaterinburg (Russia) /exporter "Yiwu Youda"

since
?
brand "Bin Wang"
d06572
update
13.01.2007
? "Cart Classics"
d11513
update
13.10.2010
? "Happy Hour" by "C.X.C.D."
d11245
update
05.04.2010
since
2020
"Fluidcolor"
d22257
update 23.03.2023
2021 "Deakin"
d23258
update 20.10.2022
2021 "Sun Flower"
d23257
update 20.10.2022
2022 "Angler"
d23383
update 12.12.2022
2022 "Jdlroyal"
d23585
update 28.02.2023
2023 "8012"
d2391
update 17.09.2023
2023 "Flyhorse"
d23936
update 17.09.2023
? "?"
d22093
update 14.12.2020

6. Others:

since
2004
standard joker
d03139
update 20.02.2007
since
2004
standard joker
d03130
update 06.03.2011
2004 No.9868 "MaoMisu"
d02668
update 24.07.2004
2004 "World Currency"
d02821
update 18.04.2004
since
2003
standard joker
d03014
update 06.05.2005
2009 "Beautiful"
d10d10694
update
08
.10.2009
2014 "Crystal Poker"
d23940
update 17.09.2023
2022 transparent deck
d24262
update 12.01.2024
since
?
standard joker
d05764
update
15.03.2013
since
?
standard joker
d06615
update
30.08.2008
since
?
standard joker
d15102
update 05.06.2023
? "No.2328"
d12251
update
18.07.2011
? "Jinyu"
d06612
update
13.01.2007
? "?"
d08238
update
04.06.2008
? "?"
d06825
update
14.03.2007