the teaching aid, wood triangles , one side is 50cm or longer , Divided in cm and mm,With a handle in mid

1)wood triangles

2)one side: 50 cm or longer

3)Divided in cm and mm

4)With a handle in mid

5)fob china price:?

6)moq:1000pcs

7)pcs/cbm:?

8)delivery:?

9)payment: ?

trigonometry