Dec 3 (Reuters) - Phoslock Environmental Technologies Ltd PET.AX :
* PRELIMINARY SALES FORECAST $50-$70 MILLION FOR FY2020
* CURRENTLY ON TRACK TO MEET FY2019 SALES FORECAST OF $27-30 MILLION
* CO'S PRODUCTION CAPACITY EXPECTED TO BE EXPANDED TO 40,000 TONNES ANNUALLY BY MID-2020