On November 12, 2015, after a period of cooperation and exchange, Sanxin and CRRC Lanzhou Locomotive Co., Ltd. formally signed a strategic cooperation agreement, to start an all-round in-depth cooperation in railway parts manufacturing, plant construction, etc. The two sides hope to establish a close, long-term strategic partnership and harmonious relations, to share resources, complementary advantages, and to promote the extension and development of products and services together.