Tantech (NASDAQ:TANH – Get Free Report) and Asahi Kasei (OTCMKTS:AHKSY – Get Free Report) are both basic materials companies, but which is the superior stock? Comparatively, Asahi Kasei has a beta of 0.46, meaning that its share price is 54% less volatile than the S&P 500. Get Tantech alerts:Analyst RatingsThis is a summary of current ratings and recommmendations for Tantech and Asahi Kasei, as provided by MarketBeat.com. Asahi Kasei has higher revenue and earnings than Tantech. Net Margins Return on Equity Return on Assets Tantech N/A N/A N/A Asahi Kasei 3.95% 7.48% 3.57%SummaryAsahi Kasei beats Tantech on 8 of the 10 factors compared between the two stocks.