A: Yes,sample order is available for quality check and market test. 2. Q: What’s the delivery time? A: usually below 100pcs is 3 days quick delivery. 3. Q: What's your payment terms? A: PAYPAL , T/T, ALI -TRADE ASSURANCE 4. Q: Do you have the products in stock? A: yes ,of course 5. Q: Can I mix different models in one container? A: Yes, different models can be mixed up in one full container. 6. Q: How does your factory do regarding the quality control? A: Quality is priority. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be fully assembled and carefully tested before packing and shipping.