The black press ballpoint pen uses the newly developed ink, which is anti-oxidation, does not fade, and does not fade when it meets water. The color of the shell is transparent and the color of the pen tip is black. The shell of the black pressing ballpoint pen is made of high-quality environmentally friendly plastic, which is suitable for learning, office and gift giving. The nib switch of the black pressing ballpoint pen is designed with area type, and the nib is equipped with a plastic hook, which can be easily hung in the clothes pocket. Black Press ballpoint pen production origin is Yiwu, Zhejiang, market wholesale reference price is 0.1-0.2 yuan per piece, packing specification is 1728 support /pieces, minimum order quantity is 1member.