The demand for LED downstream application market is strong, especially the explosive development of LED lighting, which has driven the rapid development of LED packaging market. Starting this year, not only domestic LED packaging manufacturers use chips for localization, but also domestic LED application enterprises have accepted a large number of domestic devices with high cost performance, greatly stimulating the demand for the packaging market. In order to avoid the shortage of chips, packaging enterprises have signed supply and demand agreements with chip enterprises to ensure sufficient and stable supply and obtain chips with higher cost performance. Among them, Hongli, jufei and Guoxing respectively signed a strategic cooperation agreement with Sanan Optoelectronics, and planned to purchase a total of 7. 0. 3 billion yuan of LED chips, in addition, mulinsen and Aoyang Shunchang signed a two-year purchase of 0. 4 billion yuan chip contract, Changfang semiconductor and Suzhou xinnajing signed a 52. 65 million yuan chip purchase contract.