**Product Specifications:**
**Brand:** AUCS
**Series:** Proud Learning Series Green Board, Proud White Board · Quality Partner
**Mathematical Equations:** sin(a+β)=cos[-(a+β)], =cos[(-a)-β], =sina·cosβ+cosa·sinβ
**Features:**
- Chalk writing surface
- Magnetic surface for attachment
- Easy to wipe clean
- Simple installation
- Solid fiber core board
- Thickened aluminum frame
**Ideal for:** Meetings, training sessions, teaching, and home learning
**Installation:** Can be mounted horizontally or vertically; removable hanging rings
**Additional Features:**
- Traceless hooks for easy hanging
- Moveable hanging rings for flexible positioning
- Activity pen holder; detachable and movable
**Material:** Made of wood fiber pressed board, resistant to deformation
**Versus:** Traditional corrugated paper boards, prone to deformation
**Moisture Resistance:** Resistant to moisture and mold, made of wood fiber material
**Two Installation Options:** Hanging rings for home and office use; corner mounting for schools and crowded places to prevent falling and ensure safety
**Note:** Images referenced in the description: Image 1 for home and office use, Image 2 for schools and training institutions.
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无需备货，先出单后付款，零成本搭建跨境电商供应链体系售后保障
专属客服一对一，高效率定制服务，退换无忧
俄罗斯海外仓货源一件代发分销平台
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