What's a better name than "4 pin latched flat" for this type of connector?

http://www.yourduino.com/sunshop/images/products/large_186_4pinbk2.jpg

I see Landwin 2570S (specifically 2570S0403) but is that the original
manufacturer, or just a Taiwanese compatible?

http://www.landwin.com.tw/SubSeries-en.php?MainType=2&Sub1Type=3&SrsId=134