Our History
In 2007
Incorporation of the Company
The company was formally founded in Hengli, Dongguan City with a staff strength of 20 employees.
We specialize in the processing and manufacturing of electromagnetic coils and solenoid valves supplied by our clients.
The team has members with a deep knowledge base in electromagnetic and mechanical engineering.
In 2009
First mass production of solenoids
Achieved the first set of Weilong standardized solenoid products
A procedure for internal coil winding, assembly, and functional testing is developed.
Entering the Domestic Industrial Automation Market
In 2013
marked the beginning of our Quality Management System.
We implemented an all-encompassing ISO 9001 quality management system.
This consisted of standardized inspection of incoming material, process control, and final testing.
Because of this, the consistency of the product, as well as its traceability, improved considerably.
In 2015
we started the export venture.
We entered into the European and North American markets.
Our products are used in OEM equipment and in engineering projects.
We also developed professional international communication and technical support procedures.
anagement System.
We implemented an all-encompassing ISO 9001 quality management system.
This consisted of standardized inspection of incoming material, process control, and final testing.
Because of this, the consistency of the product, as well as its traceability, improved considerably.
In 2017
the customized solenoid valve engineering skills were developed.
We improved our design capability of custom solenoid valves and coils.
We are currently offering engineering support, such as force and stroke calculations.
Thermal Design Optimization.
Duty cycle and lifetime verification.
Growing from a products supplier into an engineering solutions partner.
In 2019
Capacity Enhancement
We added to our plastic injection molding capacity, together with the plastic and metal mold workshop covering solenoid valves and induction coils.
Semi-automatic winding and assembly machines were introduced.
The annual production capacity was significantly enhanced.
In 2021
Automotive & High-Reliability Applications
We provided products for automotive and safety-critical systems.
Our in-house lab capabilities were improved to include:
LifeCycle testing equipment.
Environmental and temperature testing.
Reliability and durability verification.
In 2023
IATF 16949 Certification
We were able to attain the quality system certification based on the IATF
Entering the automotive supply chain network.
We are enhancing APQP, PPAP, and product traceability.
In 2024
Smart Manufacturing Enhancements
We implemented a process data monitoring and quality digitization system.
The aim was to increase the consistency of products manufactured in larger quantities.
We are also focusing on cost-effectiveness and supply stability.
In 2025
Innovation & Globalization in Ongoing
It is relocating from Hengli Town to Dongcheng District in a move that will enable it to grow in the future.
There is constant development:
Energy-saving solenoid valves
Long-life electromagnetic actuators.
We’re serving clients in different sectors, internationally.
About Weilong
Since 2007, the focus of the organization has been on designing, engineering, and manufacturing solenoid valves and solenoid coils.
Originally, it began as a manufacturer centered on producing electromagnetic components, but today it has expanded to become a reputable supplier in the fields of industrial automation, fluid control, and automobiles.
All of our achievements are the result of relentless technological progress, quality, and sustainable growth.
What do all of these important events mean to our clients?
Our milestonebased development process ensures:
✔ Ability to provide a stable and long-term supply
✔ Consistent and reliable quality.
✔ Good engineering and customization capabilities.
✔ Adherence to international standards.
✔ A trustworthy OEM and industrial projects partner.
We look forward to our advancements going beyond these accomplishments.
“We’ll continue to invest in:” Innovative Production Technologies Electromagnetic advancements Improving quality systems. Enduring world-wide business relationships Development of reliability engineering for future applications
Core Product
These products all demonstrate our long experience in manufacturing, attention to quality, and on-going improvements.
Focus DC and AC Solenoid Valves
Tubular Solenoid
Push-Pull Solenoid Valve
Solenoid valves (Pneumatic and fluid control)
