We are a natural stone product supplier from Vietnam with more than 15 years in exploiting and processing  stone.
We would like to offer our blue stone for paving, garden furniture and calcium carbonate powder and quartz sand( silica) as per your request.
Please kindly contact via my mobile number: +84906283258 for further details.

Thanks and Best Regards,
Do Thuy Linh
Sales Manager
Tu Lap Enterprise