Why Choose Longwill

At LONGWILL, we value our clients’ needs and strive to offer the best possible service to meet their requirements.
 Our team is passionate about what we do, and we are always ready to provide personalized support to ensure that our clients’ needs are met satisfactorily.

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Technical support

Head engineer

Focus On Cartridge Oil Filling Machine Solution

LONGWILL Filling Machine Head Engineer James has more than 20 years filling and packaging machine experience who works on cartridge filling machine since 2002. and he is one of the most professional engineer in China.

He invented the auto filling machine, FM10 smart Filling Machine, and Intelligent thick oil Auto Filling and Capping Machine. More machines are in his planning.

“We are here to provide a best solution in filling cartridge oil for clients all over the world. Let filling become an easier work with higher accuracy which help clients save manpower, improve efficiency and save oil.” he said.

  With our dedication to customer satisfaction and our commitment to excellence, we believe we can establish long-term relationships with our clients, provide value for them and help them achieve their goals.

Our Advantage

Team Work

Longwill sales team and engineer team work together on customization machine according to client’s requirements.


Different kinds of needles for different thickness oil

Innovation For Customers

We developed Auto robo filler with 3L oil basin with an oil mixer for clients large quantity thick oil filling

Skillful Engineers

take care of every details of machine when manufacturing.

Packaging Wood Case

Wood case is customized basing on machine dimension to protect machine well during transportation.

Packaging Method

Machine is packed with film and foam for better protection.

Quality Checking

1, Test filling function 5000pcs before shipping; 2, Checking filling accuracy at 0.1ml; 3, Button press test, temp control test, plug and voltage checking, surface waterproof checking etc.

High Accuracy

Machine requires very high accuracy less than 0.1mm difference.

Manufacturing Process

Certificate Glory