1. Our quality and service orientation of the slogan is: precision, hardness and speed. ���ǵ�Ʒ�ʿںźͷ�������ǣ����ȡ�Ӳ�ȡ��ٶȡ�
2. The coating of cement with a strong penetration and excellent adhesion, high hardness, good adhesion between the layers. ��Ϳ�϶�ˮ����м�ǿ�������ͼ��õĸ�������Ӳ�ȸߣ���丽�����á�
3. Uses in each kind of medium degree of hardness solid material , in cement industry, limestone in broken bits , paste , chamotte, and so on mix material . ������������ɳ����Ҫ���ڸ����е�Ӳ�ȹ������ϵ�ϸ�飬��ˮ�ҵ�У�ϸ��ʯ��ʯ��ʯ�ࡢ���ϡ���ϲĵȡ�
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n.
1. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
2. devoid of passion or feeling; hardheartedness
3. the quality of being difficult to do
4. excessive sternness