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E

EST Tools Co 300488.SZ · CNY

Industrials · Shenzhen · 🇨🇳 China

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36.71

+2.80%

Close of 9 Nov 2026, in CNY

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Est Holding Co., Ltd.81.9m47.30%—31 Mar 2025
Chen (Ziyan)14.4m8.34%—31 Mar 2025
Chen (Errong)14.4m8.34%—31 Mar 2025
Chen (Ziyi)9.6m5.56%—31 Mar 2025
Zheng (Guo Ji)7.3m4.21%−477.5k31 Mar 2025
Shanghai Puhong Investment Management Co., Ltd.1.1m0.63%+1.1m31 Mar 2025
Peng (Chao Hui)1m0.58%+1m31 Mar 2025
Caitong Securities Asset Management Co., Ltd.255.3k0.15%+255.3k31 Dec 2024
AVIC Fund Management Co., Ltd.195.5k0.11%+195.5k31 Dec 2024
Baoying Fund Management Co., Ltd.51.6k0.03%+51.6k31 Dec 2024
Zhou (Yaojuan)33.7k0.02%—31 Dec 2024
He (Qinsong)33.7k0.02%—31 Dec 2024
Yao (Haifeng)33.7k0.02%—31 Dec 2024
Zheng (Jiliang)30.8k0.02%—31 Dec 2024
Wanjia Asset Management Co., Ltd.30.3k0.02%+6.9k31 Dec 2024

Sources and methodology

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