I would like assistance to get my money

I have made 3 investment total value 48 thousand rands, payments were due in May, June and July. they since promised me to pay in June and since then, i have been chasing and none of the numbers the provided have assisted. only the letter they sent saying their bank accounts have been frozen and their whats app response as per below. "Thank You for showing interest at SD FARMLINK STOCKVEL ,we're pleased to see You here! please add admin on SD FARMLINK contact details1. For presentation & joining, contact oluhle *** For Confirmation letters and refferals, contact Zintle- ***. Changing bank details and payouts, contact Aphelele- ***. contact Ayanda- *** all these contacts are available on whatsappfor faster and more effective assistance . You can also go through our website at www.sdfarmlink.co.za where you can join and complete the transaction same time,NB:shipping fee is the membership fee or email ***"