Specifications

Reasons for choosing our cad long-life pressure plotting pen

1.at least three profits for u to use our pen:
 a.once u use this pen, it will never waste ur plotter paper any more for no ink or not    streaming out ink
 b.once u use this pen, it will never waste ur human source to take charge of the plotter    and re-plot
 c.once u use this pen, ir will never delay ur work or waste ur power for re-plotting
2.our strong point: use the diamond pen head with abrasion resisteance through 108   procedures produced by fisher, use the  

france exceeded constringent and special weight   ink, introduce american advanced equipment and innovate in technology and  

it can be used   for a much longer time, hundreds of times.
3.our business concept: sincerity, rapidity and faith.