# Global Blankmask

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/global-blankmask

- Industry: Materials
- Headquarters: Changsha, China
- Website: www.sggb.cn
- Latest round: Series C (Apr 29, 2026)
- Investors on record: 11

## About

Based in Changsha, China, and founded in 2003, Changsha Shaoguang Global Blankmask Technology Co., Ltd., trading as Global Blankmask, operates as a photomask substrate manufacturer that provides ultra-precision optics optical component material programs. It has a Class 10-100 ultra-clean plant covering more than 1000 square meters. In 2022, the company was awarded the "Hunan Provincial Enterprise Technology Center". 
The company engages in the R&D and manufacturing of complex micro-nanofilms, ultra-planar super-hard materials, micro-nanogram structures, and full-wavelength optical designs. Its products are divided into two series, which include the photomask materials division and the precision optics division. Photomask materials division includes semiconductor quartz photomask materials, flat panel display photomask materials, optical lithography materials, etc. The precision optics division includes ultra-precision structured optics, differentiated projection optics, code disk optics, etc. The company also provides customized processing for exoticization.
Global Blankmask generates revenue by providing photomask materials and related semiconductor manufacturing services to clients in the electronics industry.

## Funding rounds

- Series C, Apr 29, 2026 — GP Capital, Oriza Holdings, Shenzhen HTI, Histtone Capital, Qianhai Ark Capital, Huaan Jiaye Investment Management, Kingray Capital, Shang Qi Capital, Hengkun, Sheng Ang Investment
- Series C, Feb 14, 2026 — JIC Wenyuan

## Investors

- JIC Wenyuan (https://capitalatlas.ai/funds/jic-wenyuan) — Series C
- GP Capital (https://capitalatlas.ai/funds/gp-capital) — Series C
- Oriza Holdings (https://capitalatlas.ai/funds/oriza-holdings) — Series C
- Shenzhen HTI (https://capitalatlas.ai/funds/shenzhen-hti) — Series C
- Histtone Capital (https://capitalatlas.ai/funds/histtone-capital) — Series C
- Qianhai Ark Capital (https://capitalatlas.ai/funds/qianhai-ark-capital) — Series C
- Huaan Jiaye Investment Management (https://capitalatlas.ai/funds/huaan-jiaye-investment-management) — Series C
- Kingray Capital (https://capitalatlas.ai/funds/kingray-capital) — Series C
- Shang Qi Capital (https://capitalatlas.ai/funds/shang-qi-capital) — Series C
- Hengkun — Series C
- Sheng Ang Investment (https://capitalatlas.ai/funds/sheng-ang-investment) — Series C
