Which foundry produced Shengteng 920?

SMIC。

Huawei's 920 chip is made by SMIC. According to past cooperation and industry trends, SMIC may be one of the potential foundries selected by Huawei. SMIC is a leading semiconductor foundry in China with advanced manufacturing technology and equipment. As a well-known manufacturer of communication equipment and smart phones, Huawei has a long-term cooperative relationship with SMIC. Therefore, it can be speculated that the foundry of Huawei 920 chip may be SMIC.