In the 124th Canton Fair Stationery section, many pen-making enterprises from Wenzhou, Zhejiang Province, improved their product competitiveness and reduced labor costs through technology innovation and “machine substitution”. Wenzhou Aihao Pen Trade Co., Ltd keeps up with market demand. The one-second quick-drying ink exhibited at this time has solved the pain point of left-handed consumers. At present, the company has more than 20 categories, 1000 products and nearly 500 national patents. Wenzhou Tianjiao pen industry Co., Ltd. has carried out technology innovation of traditional refills and launched a very fine pencil refill. In addition, through the automated assembly line, not only the assembly labor cost is reduced, but also the labor productivity is improved. Due to its accuracy, the product quality is effectively guaranteed.