Systems has acquired a 25-percent stake in Leader Rubber Co. Pty. Ltd. of Johannesburg, South Africa, in a bid to strengthen its Ringtread System presence throughout southern Africa. Read the full article by here: Johannesburg, South Africa News Submit and get free press releases here: MyPR Free Press Release. Click HERE to submit your Johannesburg news. MyJHB Read more on … [Read more...] about Marangoni buys into S. African firm