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Our main products are classified into two categories, loose packed and tubed, more than 100 items altogether.
Grades: 6H,5H,4H,3H,2H,H,HB,B,2B,3B,4B
Diameters: 0.3,0.5,0.7,0.9,1.8,2.0,5.6,8.0(mm)
L...
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Our main products are classified into two categories, loose packed and tubed, more than 100 items altogether.
Grades: 6H,5H,4H,3H,2H,H,HB,B,2B,3B,4B
Diameters: 0.3,0.5,0.7,0.9,1.8,2.0,5.6,8.0(mm)
L...
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