Tips: 1, shop for factory direct sales, product quality is responsible, the buyer any comments, feel free to contact customer service 2, the number of products are all factors that point by the machine, due to the production process can not be avoided, the number of possible. there will be one or two errors, which is a normal phenomenon, please understand! 3, please buyer receives the goods, double-check to check. We refuse any non-communication case of negative feedback. If not satisfied, please communicate with customer service, we will give you a satisfactory treatment advice. 4, due to the efficiency of delivery and logistics are beyond our control, and logistics personnel throughout their quality varies greatly. During transport have any questions, please communicate with customer service to solve the store. Declined due to logistic reasons of the difference in assessment.