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/
5. "B.W.C.D."

? "?"
d22093
update 14.12.2020
since
?
brand "Bin Wang"
d06572
update
13.01.2007
? "Happy Hour" by "C.X.C.D."
d11245
update
05.04.2010

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
since
?
standard joker
d05764
update
15.03.2013
since
?
standard joker
d07813
update
26.11.2007
since
?
standard joker
d06615
update
30.08.2008
2009 "Beautiful"
d10d10694
update
08
.10.2009
? "No.2328"
d12251
update
18.07.2011
? "Jinyu"
d06612
update
13.01.2007
? "?"
d08238
update
04.06.2008
? "?"
d06825
update
14.03.2007