spiral spring group hooke's law junior high school physical teaching aids mechanics science experiment equipment science and education instrument

10 piece

Specifications

size/length	CN¥ 0.0
16/14.5/13.5	CN¥ 0.0

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brand: qinghua

applicable site: school

CTN Size : 42 × 24 × 32 cm

G.W./CTN : 22 kg

QTY/CTN : 100 piece/carton

note: you need to confirm the delivery date before placing an order.

spiral spring group: hook's law teaching aids to accurately verify mechanics principles.

core selling point: high elastic material, durable and safe;

product advantages: intuitive experiments to enhance learning interest;

solve user pain points: simplify physical abstraction and help high scores in exams;

brand endorsement: ce certification, reliable quality;

emotional resonance: stimulate scientific exploration and achieve future scientists.

applicable to taobao, jingdong, amazon and other platforms.

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Update time：20251020095334