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7 billion

Total Investment
276 mu

Land Area
1000+

Staff

Project Overview

Founded in July 2023, Chongqing Sanan Semiconductor is a wholly-owned subsidiary of Sanan Optoelectronics, specializing in the R&D, production and sales of silicon carbide (SiC) substrates.
The project adopts a one-time construction and phased commissioning model. Upon full completion, it will achieve an annual output of 480,000 pieces of 8-inch silicon carbide substrates.

Drawing on Hunan Sanan’s technical accumulation and production management experience in domestic silicon carbide substrate growth, and leveraging Chongqing’s sound government service and business environment, favorable policy support, as well as the talent and industrial cluster advantages of the High-Tech Science City, Chongqing Sanan is being built into a first-class professional silicon carbide substrate manufacturing base in China.

Core Advantages

Focused on the manufacturing of automotive-grade third-generation semiconductor materials, the company boasts cutting-edge technologies, large-scale production capacity and world-class product quality. It has established a complete supply chain covering substrates, epitaxy and chips, supplying high-quality semiconductor materials for new energy vehicles, energy storage, industrial power supplies and other sectors, and advancing the domestic substitution and global application of third-generation semiconductors.

Manufacturing Strength

Chongqing Sanan features advanced domestic production capacity for 8-inch silicon carbide substrates, with strengths in mass production, stringent automotive-grade quality control, complete industrial supporting facilities and scale cost advantages. It ranks among the few silicon carbide manufacturing platforms in China capable of meeting the stringent standards for high-end automotive and industrial applications.
R&D & Technology

"Backed by Sanan Optoelectronics’ technical prowess and global collaborative innovation capabilities, Chongqing Sanan has overcome key technical bottlenecks including large-size crystal growth, epitaxial uniformity and precise defect control, with core performance indicators reaching internationally advanced levels. Closely aligned with strategic application scenarios such as new energy vehicles, photovoltaic energy storage and high-end power supplies, it consolidates core competitiveness of China’s silicon carbide industry through automotive-grade R&D standards, fully independent and controllable full-process technologies and large-scale mass production capacity."
Product Advantages

Products of Chongqing Sanan Semiconductor are widely deployed in high-growth sectors including new energy vehicles, industrial power supplies, energy storage and AI data centers. With deep partnerships with top global clients, the company integrates technological leadership, scale competitiveness and stable market demand to continuously boost product market recognition.