They're sold in the US by Allmand boats out of Miami. $13K w/o power or trailer, or $15K with galvanized trailer. Allmand wants another $10K to put a Yamaha 90hp 4S on the back, rigged and ready.
Minimum recommended power according to the Chinese mfg web site is 55 kw (75hp), suggested power is 70-115 kw (90-150 hp), max rated power is 150 kw (200 hp). This boat is sold in Singapore to locals equipped with a Yamaha 80kw (105hp) 2 stroke motor as standard power. Anglican Archbishop Yong Ping Chung has exactly this boat mfg by Han Marine.
http://www.allmandboats.com/600OF/details.html
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.
Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!
Currently without a SeaCraft 
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury