Need. The retention period of the approved company name is 6 months. If an enterprise fails to complete the establishment registration within 6 months with justifiable reasons, it may apply for an extension of the retention period before the expiration of the retention period, and the extended retention period shall not exceed 6 months. Article 8 of the Company Law stipulates that a limited liability company established in accordance with this Law must indicate the words limited liability company or limited company in its name. A joint stock limited company established in accordance with this law must indicate the words joint stock limited company or joint stock company in its name.