Q1: Are you trading company or manufacturer ? A1: We are manufacturer. Q2: Do you have your own R&D team? A2: Yes, we can customize products as your requirements. Q3: Do you provide free samples ? A3: No, We don't provide samples. Q4: How about the quality? A4: We have the best professional engineer and strict QA and QC system. Q5: Can we be your distributor? A5: We are looking for distributor and agent all over the world. Q6: How's the package? A6: Normally are cartons, but also we can pack it according to your requirements. Q7: How's the delivery time? A7: It depends on the quantity you need, 15-20 days usually.