In February, 2017, Xiaomi released Hongmi Note 4X and Xiaomi 5C, Huawei released Honor V9, however, shipment of Xiaomi 5C and Honor V9 appeared in March. Hongmi Note 4X released on February, 14th, which attracted young people to buy as gifts, shipment was considerable in February and March.    In March, 2017, Huawei released yearly new flagship mobile phone P10 at home, which exceeded one million within only 20 days. Honor V9 shipped in March, but expensive price and upcoming P10 will be a shock to Honor V9 shipment.   Monitoring results show that top20 domestic brand bestselling models shipment has exceeded totally 30.8 million in February to March in 2017, there are six types that exceeded two millions, Huawei Changwan 6X and Hongmi Note 4X ranked respectively the third and the fourth.Overall, average shipment of top20 domestic brand bestselling models in February and March has a significant drop, comparing to shipment in January.  Bestselling models shipment in March is higher than February, which is still lower than market expectation.    OPPO and vivo main models shipment decreased in March, new-released Hongmi Note 4X and Huawei P10 will become the new favorite, OPPO A33, F1s and Hongmi 4A and Hongmi Note4 shipment is strong because of benefiting from overseas market.   There are two Kaifa customers in top10 brands ranking. Kaifa continuously supplys strong support and perfect after-sales service in smart mobile phone market share competition.