In line with the development concept of "leading the domestic, challenging the foreign, advancing with the times"; in line with the purpose of revitalizing the famous brand of "Northrend", taking technology as the foundation, extending life with quality, winning public praise with service; in line with the persistent spirit of craftsman, striving to be the best supplier for customers. In terms of technology strategy, we should unite colleges and universities, advocate the policy of military civilian integration, and give full play to resource advantages.