Just_Super/E+ via Getty Images Preamble My regular readers would know I look for value, growth, and quality in the companies I write about. I have not published much lately as it has been much harder to find good quality, value investments with sustainable growth. Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) surfaced using Seeking Alpha's screener is interesting. The parameters I set in Seeking Alpha's screeners were: Long-term-debt-to-total-capital (between 0% to 50%) Past 3-years average revenue growth ( ...