We are not traditional trading company, we are service station. That's to say, we send factory offer to you and we will try our best to lower the factory price. from start to finish we control the quality. In a word, we, just like your buying office in china, instead of you following up. And you only give us 5%-10%service charge. If you want to know the details PLS read our website ( www.bands.com.cn ) carefully.