10 containers Green SoapStone (http://g603.net)

GERMANY --- we are a German company, producing fireplaces. We are looking for soapStone (http://g603.net) . You have "Green SoapStone (http://g603.net) " on your website. Is it a chinese SoapStone (http://g603.net) ?
We need Slabs (http://www.VerdeUbatuba.com) : Sizes:
120/100 x 30 x 6 cm
120/100 x 30 x 4 cm
120/100 x 30 x 3 cm. Calibrated. one sided polished
Our price idea is the following:

100/120 x 30 x 3 cm   U$55.00/m2
100/120 x 30 x 4 cm   U$60.00/m2
100/120 x 30 x 6 cm   U$70.00/m2
I am wating for your reply. Sincerely ...... September 20