Lakay Wushu reportedly has the best reputation for producing champion MMA fighters in the Philippines. Sanshou is used as the base for Team Lakay members.
http://teamlakay.wix.com/online#!who-we-are
Their website sucks, but apparently their fighting doesn't.
Some of their fighters include:
Eduard Folayang, 12-3 Pro MMA,
Former URCC Welterweight Champion,
One FC Fighter,
2002 Bronze Medalist, Sanshou, Asian Games
2006 Silver Medalist, Sanshou, Asian Games
2011 Gold Medalist, Sanshou, SEA Games
Honorio Banario 8-1 Pro MMA
Current URCC Lightweight Champion,
Current One FC Featherweight Champion,
Kevin Belingon 9-1 Pro MMA
Current URCC Flyweight Champion,
One FC Fighter,
Named #10 of top 10 World Flyweight prospects by Bloody Elbow,
Roy Docyogen, 10-1 Pro MMA
Current URCC Pinweight Champion
One FC Fighter