Qingdao changlong stationery co. Ltd. (hereinafter referred to as “the white snow stationery”) was established in may 1988 to cover 77,000 square metres of land; the production of a series of stationery, mainly in the brand name of snow white, is dominated by straight-slurped pens, straight-slurled pens, neutral pens, acrylic marks, bell pens and crony pens, white-board pens, fluorescent pens, etc., and is a professional production enterprise that combines research and development, production and sale. After more than three decades of development, snow white has achieved some success in penmaking: mastering the core technology of the design, ink pen development, equipment manufacturing, etc. Related to pen making, which is close to the level of first-class modelling in japanese enterprises; participating in the revision of national standards, industry standards, and leading and regulating technical standards in the domestic pen-making industry; and marking pens, cylindri...