What are the leading stocks for sealing and testing?

The leading concept stocks in the closure test are: Zhongji Xuchuang (stock code: 338), Shen Da (stock code: 6626), *ST Kangsheng (stock code: 2418), Luyin Ecology (stock code: 2887), Xiongtao (stock code: 2733) and so on.

other concept stocks of packaging and testing include:

Shenzhen Technology: the company belongs to the electronic information manufacturing service (EMS) industry, providing customers with high-quality R&D and manufacturing services for electronic products. The company's main business includes providing advanced manufacturing services for computers and storage, solid-state storage, communications, consumer electronics, medical devices and other electronic products, as well as R&D and production of metering systems, automation equipment and semiconductor packaging and testing services.

huatian technology: in July 218, it was announced that the company planned to invest in the construction of Nanjing integrated circuit advanced packaging and testing industrial base project in Nanjing Pukou Economic Development Zone.

hanwei technology: quarterly announcement in 22; The MEMS product line has been put into production smoothly, and the company has mastered the core chip design technology, and is preparing to build a MEMS sealing and testing production line, effectively opening up the technical and market channels for product upgrading.

shuobeide: made great efforts in the manufacturing of fingerprint identification module and chip sealing and testing. In 214, the company successively controlled Sunlight Electric, Kunshan Kaier and newly established Huizhou Kaier to quickly cut into the fields of sensor packaging, molding and manufacturing; Industry leader in antenna field.

Guangli Technology: mainly engaged in safety production monitoring, energy saving and environmental protection business, and semiconductor packaging and testing equipment manufacturing business; As a private enterprise supporting military industry, Changshu yabang, a wholly-owned subsidiary, is the main supplier of domestic military engineering equipment (pontoon bridge electronic control system and training simulator) at present, and its main customers are the general assembly units of Chinese military engineering equipment (pontoon bridge).

liande equipment: in April 22, the company plans to issue shares to build a semiconductor packaging and testing intelligent equipment construction project.

stock is a part of the ownership of a joint-stock company, and it is also a certificate of ownership issued by the joint-stock company. It is a kind of valuable securities issued by the joint-stock company to each shareholder as a shareholding certificate to obtain dividends and bonuses. Stock is a long-term credit tool in the capital market, which can be transferred and traded. With it, shareholders can share the company's profits, but they also have to bear the risks brought by the company's operational errors. Each share represents the shareholder's ownership of a basic unit of the enterprise. Every listed company will issue shares. Every stock in the same category represents equal ownership of the company. The share of ownership of the company owned by each shareholder depends on the proportion of the shares held by each shareholder in the total share capital of the company. Stock is an integral part of the capital of a joint-stock company, which can be transferred and traded. It is the main long-term credit tool in the capital market, but the company cannot be required to return its capital contribution.