# Xinkai Tanneng

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/xinkai-tanneng

- Industry: Materials
- Headquarters: Shenzhen, China
- Latest round: Angel (Jun 12, 2025)
- Investors on record: 1

## About

Based in Shenzhen, China and founded in 2025, Shenzhen Xinkai Carbon Energy Technology Co., Ltd., dba Xinkai Tanneng, is a carbon nanotechnology services company. In March 2026, Xinkai Tanneng closed Strategic funding from Qianhai Ark Capital and MIDDAY CAPITAL.

The company’s main business is ??developing advanced carbon nanotube (CNT) technologies??, specializing in high-purity single-walled carbon nanotube (SWCNT) powders. The company’s self-developed products include ??single-walled CNT powders with tunable diameters and ultra-high specific surface area??. Its products are used in the field of ??new energy, advanced composites, biomedical sensors, and aerospace lightweight materials??.

The company generates revenue by providing ??SWCNT powders and slurries to battery manufacturers and composite material suppliers??.

## Funding rounds

- Angel, Jun 12, 2025 — Xinyu Lepu Venture Capital

## Investors

- Xinyu Lepu Venture Capital (https://capitalatlas.ai/funds/xinyu-lepu-venture-capital) — Angel