Deli Group Co., Ltd.
Deli Group Co., Ltd.
Structural Principles and Common Sense of Use of Ballpoint Pens
2022-Nov-22
Structural Principles and Common Sense of Use of Ballpoint Pens
Ⅰ. The structure and principle of the ballpoint ballpenThe writing principle of the ballpoint ballpen is mainly to use the friction force generated by the direct contact between the ball and the pape...
How to Choose Children's Schoolbags?
2022-Nov-15
How to Choose Children's Schoolbags?
A school bag refers to a bag made of cloth, leather, etc., which is used to carry textbooks and stationery. According to the change of consumers' aesthetic taste, school bags have developed a scho...
Classification of Whiteboard Pens
2022-Nov-08
Classification of Whiteboard Pens
1. Stationery office equipment whiteboard pen is classified by inkAccording to the ink, whiteboard pens on the market can be roughly divided into ordinary whiteboard pen ink, dry-erase film-forming wh...
Do You Understand the Composition and Structure of Electronic Calculators?
2022-Nov-01
Do You Understand the Composition and Structure of Electronic Calculators?
Modern electronic calculators are hand-held electronic machines that can perform mathematical operations. They have integrated circuit chips, but their structure is much simpler than that of computers...
Deli In Indonesia - Amazing Teams And Customers In Yogyakarta Market
2022-Aug-25
Deli In Indonesia - Amazing Teams And Customers In Yogyakarta Market
During back to school period, Deli team in Yogyakarta market has made a lot!You can see Deli is in every corner around you ! ! !We are always your best mate in everywhere ! ! !
Deli In Russia — Sports Feast Of Spartakiad Komus
2022-Aug-01
Deli In Russia — Sports Feast Of Spartakiad Komus
Being the sponsor of the annual sports and entertainment event "Spartakiad Komus", Deli and Komus have brought a sports feast to everyone on July 16th, 2022Over 10,000 people have taken part...
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