1. Huandao Protech is willing to make a cooperation relationship of trustness, multi-lateral profitableness, ever-lastingness with customers both domestic and abroad. ������˾Ը���������ͻ��������ţ���Ӯ����չ�ĺ�����ϵ��
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n.
1. the quality of being encouraging or promising of a successful outcome
2. the quality of affording gain or benefit or profit
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profitableness ����;
margin of profitableness ӯ������, �ɻ�����;
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