Pencil hardness tester

2025-07-01

Past exhibitions
Past exhibitions

Pencil hardness tester

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The 63rd Higher Education Expo

The 63rd Higher Education Expo

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The 9th China Education Logistics Exhibition

The 9th China Education Logistics Exhibition

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The 81st China Education Equipment Exhibition

The 81st China Education Equipment Exhibition

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The 61st China Higher Education Expo

The 61st China Higher Education Expo

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Chongqing Huiju Educational Equipment Co., Ltd

No. 106, Xinyu Road, Qinggang Street, Bishan District, Chongqing

Chongqing Juzhibao Technology Co., Ltd

No. 780, Jiayun Avenue, Beibei District, Chongqing

Tel：+86-023-68269888

Email：sales@cqhuiju.com

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