The salary card is the original record to record the salary level and standard. The labor and personnel department establishes a salary card for each employee who enters the factory. Its contents mainly include: name, position (title or type of work), salary grade, salary standard, work department, date of joining the work, date of transferring from the work, etc. The salary card is established when employees enter the factory, and cancelled when employees transfer or retire. The finance department will issue or stop paying employees' salaries according to the salary card.

Weilong was founded in 1999, focusing on snack food. The enterprise is located in Luohe City, Henan Province, and is a private enterprise. In 2003, Liu Weiping registered the trademark of "Wei Long Wei Long" and "Wei Long Spicy Strip" was officially born. In 2004, Liu Weiping Pingping Food Co., Ltd. was established in Tiedong Development Zone of Luohe, becoming the first spicy strip enterprise in China to set up a company and enter the industrial park.