Product batch is the number of products in a batch determined by the producer in accordance with product standards. The purpose of making the distinction between product batches is:
1. to establish a base for testing finished products;
2. to count the amount produced;
3. to label the date of production, etc.
The production batch number is also called the production lot number.
The production lot number, also known as the production batch, is different from the production date. Production lot number generally refers to this batch of products in a certain period of time in the production of serial numbers, through the batch number can be queried to the specific production responsibility, not necessarily the same as the date of production.
Like milk, food and other food products, production batch number and date of production is basically the same, then the date of production is the same, but generally more formal manufacturers of batch number and date of production are detailed.
Expanded Information:
The role of the production batch number :
In order to trace the responsibility of the batch of products after the fact, to avoid confusion, so each batch of products have a corresponding batch number. It is used to identify the "batch" of a set of numbers or letters and numbers. Generally by the production time of the year, month and day of each two-digit composition, but there are exceptions. The expiration date is calculated from the date of production (based on the production lot number), so according to the batch number you can know whether to buy the product within the validity period.
Classification of batch number:
This "batch number" may have different names in different industries. For example, steel products, is the furnace number; wool dyeing, is the cylinder number. Production date has different roles, for products with a shelf life, it is derived from the period of sale and use. If a problem occurs with the product, it is also possible to trace the responsibility of each link based on the production date and batch number.
Baidu Encyclopedia-Product Batch