Plastic plate extrusion is the process of manufacturing plastic plates through an extrusion process. In this process, plastic material is melted and forced through a die to create a continuous profile of the desired shape. The extruded plastic is then cooled, trimmed, and cut to the required length to form the plastic plates.

Vacuum forming is a manufacturing process in which a heated sheet of plastic is stretched and molded over a mold using a vacuum.

In the luggage manufacturing industry, automatic sawing machines are equipment used to cut and trim luggage materials. This kind of machine can improve production efficiency and ensure that the edges and lines of bags are neat and beautiful. It is often used for precise cutting of luggage plastic, leather, cloth or other materials. These devices automatically cut according to design specifications, thereby reducing manual operations and improving production quality.

"Lining" may refer to the process of reinforcing the edges or interior structure of clothing or other items. This stitching is often used to add support, increase durability, or provide an aesthetic effect.

Assembling a suitcase typically involves the following steps:
1. Preparation work: Prepare all parts of the bag, such as main fabric, zippers, metal accessories, etc.
2. Sewing parts: Sewing the fabric and accessories of the bag, including sewing the main body, sides and bottom.
3. Install the zipper: According to the design requirements, install the zipper at the appropriate location and fix it.
4. Install accessories: Install the metal buckles, pull rings and other accessories of the luggage to ensure that they are firmly and beautifully fixed on the luggage.
5. Inspection and organization: Check every part of the bag to ensure there are no omissions and quality problems and organize the structure of the bag to make it look tidy.

Bag packaging usually includes the following steps:
Packaging preparation: Prepare packaging boxes or bags of appropriate size and select appropriate fillers and protective materials.

Folding and organizing: Fold or organize the luggage according to the design requirements to ensure that it looks neat and tidy and has complete accessories.
Padding Protection: Use foam board, bubble wrap, or soft padding to pad the box to protect it from damage during shipping.

Sealing: Put the package into a box or bag, cover the box and seal it.
Labels and stickers: Paste labels on the cartons to indicate the sender and receiver information, weight, shipping address, etc. to ensure that the package can be delivered smoothly.

Make sure there are no prohibited items such as flammable, explosive or contraband items in the box.
When placing luggage in a designated storage area or warehouse, the boxes usually need to be placed in a certain order and layout to facilitate management and pickup.
Carry out warehousing records and register the relevant information of the luggage, such as the case number, size, weight and storage location, so that it can be easily found and managed in the future.
If necessary, take appropriate safety measures, such as sealing or locking the trolley case, to ensure the safety of the goods.