... pencil leads:185mm 4.international certification passed 1,Prouduct name:High-quality pencil leads;2,Hardness of pencil leads: 4H, 3H, 2H ... .0mm,4.0mm,7.2mm;4,Type of pencil leads: High-quality graphite pencil lead ;5,Normal packaging of pencil lead:L ... , pencil boards, pencil and wedge joint boards, dressed lumbers, semi-finished flooring, and other more products. In 2007, our output of ...