Longkou Shuangji mainly produces plastic machineries. And it mainly includes three kinds of machines, which are paper pulping egg tray machine, EPE foam machine, and PS foam machine. In detail, the egg tray machine, PE foam pipe extrusion machine, PS foam sheet making machine, EPE foam sheet making machine, foam laminating machine, foam thickening production line, Non-mesh plastic bag production line, foam container forming production line, etc.

Furthermore, the products are not only used in fast food industry, but also in packaging industry and various areas of life. For example, egg tray for egg production factory, foam container forming machine for disposable lunch boxes, foam container, food box, pizza boxes, pearl cotton packaging film, fruit net cover, bath ball and so on.

To be the leading manufacturer and the first enterprises in plastic machine filed in China, there are more than 20 experienced engineers for all of our machines, especially for egg tray machine, foam sheet machine and foam container forming machine.

By the way, our boss is also one of the best engineer in our factory. He knows how to design and develop our machines to meet the user’s requirement. As a result, the good suggestion and special requirement will be treated more careful and professional in our factory. In fact, this is also one of the reason that our users are satisfied with the machines so many years.

Welcome to send me inquiry or visit our factory to find what you need. In fact, the good quality is not what I said, but what you see.


  1. Professional engineers make solution design according to customers’ situation.

  2. Hard-work workers produce every parts of the production lines in our own factory.

  3. Excellent after sales service team guide installation and training workers for customers.


Our engineers can make free design for you if you can supply the situations below:

1. Size of the factory

2. Daily production capacity

3. Climatic condition


There are two ways to training workers for customers:

1. Generally, we train workers in customers’ factory together with installation.

2. We can help to train workers in our factory if customer like.


Delivery: For most of our production lines, we can promise to make delivery within 3 months after contract.

Maintenance: We will help and guide installation in customer’s factory and train workers for maintenance after sales.