1.Q:Are you a factory or trading company? A: We are a factory. 2.Q:Where is your factory located? A: Our factory is in Yuhang Zone ,Hangzhou city, Zhejiang Province, China. 3.Q:What is the material of your products? A: Iron,Steel,gear,heaters,4 pcs silicon rollers.etc. 4.Q:How about quality control in your factory? A:We are always paying great attentions to quality controlling from the beginning to the end. 5.Q:How about guarantee? A: It's within three months after goods is discharged in the destination.