The majority union on the platinum belt will meet with mining bosses on Tuesday for the companies to explain their latest offer.
Impala Platinum, Anglo American Platinum and Lonmin are due to meet with Amcu workers over a revised offer submitted last week.
The platinum strike has entered its 11th week and employees want to return to work but are being intimidated, says Lonmin chief executive Ben Magara.
With no end in sight for Amcu's strike in the platinum sector, an analyst has predicted producers will "implement extreme measures" to break protests.
Amcu says it will continue to strike until it gets a deal that includes a way towards its demand of R12 500, despite mining firms' losses complaints.
Platinum companies have claimed to be in touch with employees who want to come back to work but fear being killed by protesters if they do.
The ongoing mineworkers' strike in the platinum belt has reached a stage where the financial impact is becoming irreversible, say mining heads.
Mines Minister Walter Chidhakwa says he is holding "interesting discussions" with Impala Platinum about building a base-metal refinery in Zimbabwe.
Talks aimed at ending a six-week platinum miners' strike has fallen apart after producers rejected a revised wage demand.
In the first sign of compromise by the union during wage strikes this year, Amcu has revised its demand. But firms say it is still too high.
Attitudes of platinum producers and the majority union continue to harden as the strike enters it 6th week.
Impala Platinum Holdings and the NUM has acknowledged claims about the formation of a new mining labour union in the platinum belt in Rustenburg.
The second biggest platinum producer is reporting good earnings despite a wage strike entering its sixth week.
The CCMA has met the platinum producers' mediators in talks aimed at ending Amcu's strike at three platinum mining companies.
Amcu's refusal to revise its wage demands reflect little regard for potential job losses, says platinum producers.
Platinum miners would rather endure the "short-term pain" of losing millions each day than give up ground on a wage settlement.
The head of Anglo Platinum - the world's largest platinum producer - has earned R17.6-million while the company struggles with wage negotiations.
Wage negotiations and a mediation process, aimed at resolving the Amcu strike at Lonmin, Anglo American and Impala Platinum, is expected to resume.
Wage negotiations between major platinum producers and Amcu collapsed last week but are expected to begin again on Tuesday as the strike continues.
Negotiations between the world's three largest platinum producers and the majority union have stalled as protest actions ensue in the North West.