Q1: Are you a trading company or a factory? A: We are a professional manufacturer, and we have over ten years of experience Q2: Can l get your samples? A: We can supply sample to test quality, but the expenses and sample cost are on buyer's account. Q3: Can you make my logo on product? A: Of course! We can supply OEM service.OEM is acceptable based on 50 pieces. Q4: Do you offer any spare parts? A: Yes,usually we offer 2% spare parts. Q5: What is MOQ? A: MOQ is 50PCS ,for first cooperation you can mix 2-3 items in frist order. Q6: Do you offer guarantee for the products? A: Yes, 2 years for DC compressor,1 year for other parts.