Pre-sales communication is most important and help us understand what your needs easily. The suitable products and better purchasing plans will be recommended for you according to your requirements. The best suggestions of our breaker , packaging, payment terms, export terms will be supplied to you. If you have any questions about the choice of products, we will also give you reasonable suggestions based on your use environment and market feedback. And some suggestion about the hot selling items of your local market .At the same time, we also provide OEM and ODM services for customers, you can customize the products you want.After item and prices confirmed, PI will be sent for payment.