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Lulong Plastic Machinery Manufacturing
Years of experience in the extruder industry
Focus on R&D, production, sales, service
National Service Hotline:
+86-769-86329005
+86-13687373600
Products
Committed to the development, production, sales, and service of the extruder industry, it is currently focusing on the manufacture of complete sets of equipment for twin-screw extruders and related processes.
Twin Screw Extruder Series
Twin-screw extruders are developed on the basis of single-screw extruders. They have been widely used in extrusion products due to their excellent properties such as good feeding properties, mixing and plasticizing properties, exhaustability, and extrusion stability. Molding processing.
Twin Screw Extruder Series
Twin-screw two-stage unit series
According to the characteristics of the models, AC motors and DC motors are available. The transmission box adopts a parallel three-axis structure, which has the function of low level alarm for liquid level gauge and overpressure alarm for filtering and blocking. The processing part is composed of two screw shafts, screw elements and cylinders that rotate in the same direction.
Twin-screw two-stage unit series
Auxiliary machine series
Auxiliary equipment refers to auxiliary machinery for production equipment. It is an important part of the equipment and an indispensable equipment for normal operation of the equipment.
Auxiliary machine series
Accessories Series
Optional accessories refer to components that can enhance product functionality and improve product performance beyond the standard configuration and require additional purchases. Unlike standard configurations, the use of optional accessories does not affect the use of the basic functions of the product.
Accessories Series
Lulong
Provide you with quality service
Extruder professional operators
Extruder
professional operators
For many years, we focus on the research, development, production, sales, and service of the extruder industry. We have high-tech companies that are set up by professional teams. The products we produce are strictly executed in accordance with the ISO production standards and control every detail in the production process.
Tailored for the customer
Tailored for the customer
Constantly developing new products and improving quality management, the company has successfully passed the ISO9001 quality system certification, all products meet the international environmental protection requirements, have passed the SGS test. To provide better solutions for customers in different situations, so that customers can buy more affordable and worry-free 7 * 24 hours after sales.
One-stop shopping platform
One-stop shopping platform
At present, the company is mainly engaged in the manufacture of complete sets of equipment for twin-screw extruders and related processes, and has a professional service team to form an integrated service system from pre-production, post-installation, after-sales service, and maintenance outside the warranty period. Reliance on procurement.
Select the Lu Long
Choose professional
Lulong Machinery
about us
Dongguan Lulong Plastic Machinery Manufacturing Co., Ltd. is a high-tech company formed by a group of R&D, production, sales, and service teams in the extruder industry for many years. Currently, it is mainly engaged in the manufacture of complete sets of equipment and related technologies for twin-screw extruders.

The company's product sales throughout the country, to provide our clients with complete pre-sale service.
They all choose ◇ Lulong Machinery
The company's products are sold throughout the country, and also with many companies and reached a long-term cooperation
DONGGUAN
ShenZhen
ShenZhen
Zhongshan
See more>>
2018-
06-
26
1, the host a section of the temperature is too high. (1) cooling system failure: 1) check the solenoid valve is normal, under normal circumstances, the solenoid valve core disassembled with the air pump blowing...
Twin-screw machine faults and treatment methods
2018-
06-
26
The underwater pelletizer is similar to the air pelletizer and the water jet granulator. The equipment part mainly covers: plastic granulator, single and double screw plastic extruder...
Introduction of granulator
2018-
06-
26
The energy saving of the granulator can be divided into two parts: one is the power part and the other is the heating part...
Granulator energy-saving reform
2018-
06-
26
Twin-screw extruders are developed on the basis of single-screw extruders. They have been widely used in extrusion products due to their excellent properties such as good feeding properties...
Working principle of twin-screw extruder
2018-
06-
26
I. Precautions. 1. The granulator must operate in a forward direction; avoid inversion. 2. The granulator prohibits the no-load operation of the air-conditioner and must be operated...
Precautions for using granulator
2018-
06-
26
When the gearbox receives the force from the wind wheel and the reaction force generated during the gear transmission, it must have enough rigidity to bear the force and torque to prevent deformation and ensure the transmission quality...
What is a gear box?
2018-
06-
26
The function of the cylinder is to provide the pressure-receiving space required by the process, which is one of the most important pressure elements of the pressure vessel...
What is a cartridge?
2018-
06-
26
Mainly reflected in the following two aspects.Material delivery method. In the single-screw extruder, the solid transport section is friction drag and the melt transport section is viscous drag. ...
What is the difference between a twin-screw extruder and a single-screw extruder?
2018-
06-
26
The external gears of wind turbine gearboxes are generally carburized, quenched and ground. The large-scale introduction of high-efficiency and high-precision CNC gear grinding...
The role of gearbox and manufacturing technology
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Key words: Twin screw extruder - Granulator - Screw sleeve - Barrel - Gear box - Heater - Mandrel