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August 08, 2023
Do you know the difference between 2B pencil and HB pencil?

For students, pencils are an indispensable writing tool. Usually 2B pencils and HB pencils are often u

August 07, 2023
Buy 20 boxes of ballpoint pens but expired more than half a year, how to calculate the shelf life of ballpoint pens

[Office Partner Information Center] Two days ago, Mr. Shi bought 20 boxes of ball-point pens at a supermarket in Yongkang. After buying them, they found that the pens were out of date. I heard t

August 03, 2023
New environmentally friendly pencil making machine

[Office Partner Information Channel] The most common way to handle ge

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