1, the leading stock index refers to the stock that has influence and appeal to other stocks in the same industry in a certain period of stock market speculation, and its ups and downs often play a guiding and exemplary role in the ups and downs of other stocks in the same industry. The leading stock is not static, and its position can only be maintained for a period of time. The basis of becoming a leading stock is that any information related to the stock will be immediately reflected in the stock price.
2, mask inventory introduction:
① Vico Technology 600 152, a subsidiary of the company, Ningbo Yongda Textile Co., Ltd. specializes in producing various disposable medical textiles and fiber products, such as protective clothing, masks, gloves, surgical gowns/caps/pupils, hemostatic gauze, bandages, cotton swabs, spunlaced nonwovens and composite base fabrics.
② Beihua Co., Ltd. 002246,65438+2020/KLOC-0 said on the interactive platform on October 27th that the company's main products are nitrocellulose series products, environmental protection equipment, nuclear, biochemical and protective equipment manufacturing series products (including masks, masks, protective clothing, air purification and other protective products) and special industrial pumps series products.
③ Jiangnan High Fiber 600527, the company's sheath-core composite staple fiber (commonly known as ES fiber) is one of the most demanding varieties of composite fiber, which can be used to produce heat-bonded nonwovens. It has the characteristics of softness, bulkiness, good water absorption or air permeability, and is widely used as sanitary surface materials such as sanitary napkins, disposable diapers, surgical masks and bandages.
④ Xinlong Holdings 000955,202065438+123 October, the company said on the interactive platform that it could produce high-efficiency nonwoven meltblown filter materials for making masks. The company has successfully developed a new type of functional antibacterial mask filter material, which has been gradually put into the market.
⑤ Neptune Bio 00078, June 2020, 5438+1October 2 1, the company said on the interactive platform that the company participated in the production of protective masks, protective clothing and other medical supplies by Shandong Li Kang Medical Device Technology Co., Ltd.