A giant general Kwan Gung saves earth from space aliens from Mars. Rare Taiwanese Kaiju has its retro appeal for this generation. Apparently recent fan curiosity & interest spiked last yr for this rare title (didn't hurt that dtr. Edmond Pang arranged for a HK revival by securing redistribution rights from its surviving Taiwan producers):
http://evchk.wikia.com/wiki/%E6%88%B0%E7%A5%9E_%28%E9%9B%BB%E5%BD%B1%29
HKFA's entry:
http://ipac.hkfa.lcsd.gov.hk/ipac20/ipac.jsp?session=1312W80O9638W.1028&profile=hkfa&uri=link=3100035@!309315@!3100024@!3100036&aspect=basic_search&menu=search&ri=2&source=192.168.110.61@!horizon&term=%E6%88%B0%E7%A5%9E.+%E5%9C%8B%E8%AA%9E.+1976.&index=FILMBRP
I guess they haven't gathered what I have yet so their entry is currently rudimentary at best but I've created my own at the usually-barren-for-Asian-films IMDB:
http://www.imdb.com/title/tt1996455/
while more info is pending & will be trickling in, I will complete my translation-transliterations for rounding out the minor staff credits soon however I'm really surprised to see that you guys haven't caught on to this one yet so please use my building blocks to update one yourself. Here, you could begin with this great poster:

I'll be happy to assist by capturing & sharing some old vhs credits screen-caps real soon. Have fun guys, Cheers again.