English
Behind every reliable precision component is a manufacturing team with experience, technical knowledge, and a commitment to quality. Since beginning its journey in 2008, JeaSnn (Dongguan Jiesheng Hardware Industry Co., Ltd.) has steadily developed from a small precision hardware workshop into a manufacturer specializing in custom CNC machined metal parts, precision hardware components, and OEM/ODM machining solutions.
Today, JeaSnn operates a manufacturing facility covering approximately 6,000 square meters, with more than 150 production machines and a team of over 105 employees. Our Capabilities include CNC machining, CNC milling, CNC turning, Swiss-type machining, 5-axis CNC machining, screw machining, prototyping, and assembly services.
However, our development is not measured by equipment and factory space alone. It is also reflected in the experience of our engineering team, our commitment to quality management, and the long-term relationships we have built with customers across different Industries.
From custom screws and precision shafts to CNC machined aluminum parts, stainless steel components, brass fittings, bushings, and complex metal hardware, JeaSnn is committed to providing practical, reliable, and cost-effective manufacturing solutions.
1. The Development History of JeaSnn: Growing Through Manufacturing Excellence
JeaSnn's development has been driven by a simple principle: continuously improve manufacturing capabilities while maintaining reliable product quality. Each stage of our growth has strengthened our ability to serve customers with increasingly diverse and demanding precision machining requirements.
2008: Starting with Three Automatic Lathes
JeaSnn's manufacturing journey began in 2008 with just three automatic lathes.
At this early stage, our primary focus was precision hardware component manufacturing. Working directly on the production floor, our team gradually developed practical knowledge of machining processes, equipment operation, dimensional control, and production management.
These early years established the foundation of our manufacturing philosophy: quality starts with attention to every production detail.
Although our equipment capacity was limited, this period allowed us to build essential machining experience and understand the importance of consistency in producing small metal components.
2012: Official Establishment of JeaSnn and Expansion of Machining Capabilities
In 2012, JeaSnn was officially established, marking an important step in the company's development.
To meet growing customer requirements, we introduced additional manufacturing equipment, including CNC lathes, CNC machining centers, and Swiss-type automatic lathes. These investments expanded our ability to manufacture more complex and precise custom metal parts.
During the same year, we established an international trade department to develop overseas markets and communicate directly with customers around the world.
This was an important transition from a primarily production-focused workshop to a manufacturing company serving both domestic and international customers.
With expanded equipment capabilities and a growing understanding of customer requirements, JeaSnn began building a stronger foundation for custom CNC machining services and international OEM manufacturing cooperation.
2015: Factory Relocation and Expansion of Manufacturing Processes
In 2015, JeaSnn relocated from Zhongxing Road to Wenming Road in Qiaotou Town, Dongguan.
As the business continued to grow, our workforce expanded to more than 30 employees. We also introduced cold heading equipment to complement our existing machining capabilities.
This investment broadened our manufacturing processes and improved our ability to support different types of precision hardware products.
By combining machining and additional metal forming capabilities, we strengthened our manufacturing flexibility for custom fasteners and other metal components.
The expansion also helped us improve production coordination and provide customers with more comprehensive manufacturing support.
2016 Onward: Building Industry Experience and Customer Partnerships
From 2016 onward, JeaSnn continued expanding its customer relationships and accumulating experience in demanding manufacturing projects.
Over time, we established product or business cooperation with well-known companies, including Siemens, Haas, and Ericsson.
Working with customers and projects that have demanding technical and quality requirements encouraged us to continuously improve our production processes, dimensional control, and customer service.
These experiences helped our engineering and production teams develop a deeper understanding of different industry requirements, particularly for precision hardware components that must meet specific functional, dimensional, and assembly standards.
For JeaSnn, every project is an opportunity to improve our manufacturing knowledge and provide more reliable solutions for customers.
2018: Relocation to Dalang and ISO 9001 Certification
In 2018, JeaSnn relocated to Yangkengtang, Dalang Town, Dongguan. At this stage, our team had grown to more than 50 employees.
The same year, we obtained ISO 9001 quality management system certification.
This milestone represented an important improvement in our approach to quality management. Rather than relying only on individual experience, we continued developing more standardized procedures for production control, inspection, documentation, and continuous improvement.
For customers purchasing custom CNC machined parts, consistent manufacturing processes are essential. A component must not only meet the drawing requirements during initial sampling but also maintain the required quality across subsequent production batches.
The implementation of a structured quality management system helped strengthen this foundation.
2023: Expanding Production Capacity and Obtaining IATF 16949 Certification
In 2023, JeaSnn moved to its current manufacturing location at No. 48 Jinsha Second Road, Shuikou Village, Dalang Town, Dongguan, Guangdong, China.
By this time, our workforce had increased to more than 65 employees, and the factory operated over 100 production machines across approximately 5,000 square meters.
Another important achievement was obtaining IATF 16949 quality management system certification.
This certification strengthened our quality management framework and reinforced our commitment to process control, production consistency, and continuous improvement.
For customers in the automotive supply chain and other industries with demanding quality requirements, a structured quality management system provides an important foundation for manufacturing cooperation.
Our investment in production equipment, workforce development, and quality management enabled JeaSnn to support a wider range of custom CNC machining and precision hardware manufacturing projects.
2025: Establishing a Second Workshop and Entering a New Stage of Growth
In 2025, JeaSnn established a second production workshop, marking another significant stage in the company's development.
Our workforce expanded to more than 105 employees, while the number of production machines increased to over 150. The total factory area also grew to approximately 6,000 square meters.
This expansion was designed to strengthen production capacity, improve manufacturing layout, and provide greater flexibility for multi-variety precision hardware orders.
With expanded facilities and a more comprehensive production setup, JeaSnn is better positioned to support customers requiring custom CNC machined parts, precision metal components, and repeat production orders.
From prototype development to larger production batches, we continue to invest in the people, equipment, and processes needed to support long-term customer projects.
2. Our Leadership Team: Experience Behind Every Precision Component
Manufacturing capability depends on more than machines. Engineering judgment, production experience, quality awareness, and customer communication all play important roles in delivering reliable custom machined parts.
At JeaSnn, our leadership team has developed through years of practical experience in the precision hardware industry. Their backgrounds in manufacturing, engineering, quality management, and international business shape the way we approach customer projects.
Bill Zhang – Co-Founder & Head of Engineering
Bill Zhang, co-founder and Head of Engineering at JeaSnn, entered the precision hardware manufacturing industry in 1999.
His professional journey began on the production floor as an ordinary machine operator. Through years of practical experience, he progressed through positions including apprentice, technical specialist, and supervisor, gradually developing extensive knowledge of machining processes and production management.
This hands-on background gives Bill a practical understanding of the challenges involved in manufacturing precision metal parts.
He has always maintained a strong interest in machining technology, particularly in optimizing manufacturing processes and developing more efficient production methods.
As Head of Engineering, Bill leads the technical team in improving machining processes, addressing difficult manufacturing challenges, and developing practical solutions for customer requirements.
His work covers important aspects of custom CNC machining, including process selection, production planning, manufacturing efficiency, and cost optimization.
For example, when a customer provides a drawing for a complex custom metal component, the engineering team must consider more than whether the part can be machined. They also need to evaluate tool accessibility, Material behavior, machining sequence, dimensional requirements, workholding, and inspection methods.
Bill believes that good engineering should help customers achieve the required quality while avoiding unnecessary manufacturing costs.
His philosophy is that technology should create measurable value for customers. A successful manufacturing project is not simply about completing an order; it is about understanding the customer's requirements, solving technical problems, and building a relationship that can continue over time.
Beyond engineering and business development, Bill places great importance on employee growth and company culture.
He encourages professional training and daily shared reading, helping employees improve their knowledge and personal development. He also promotes traditional Chinese values such as gratitude, respect, responsibility, and kindness.
JeaSnn provides filial support payments to the parents of eligible employees, offers assistance to employees facing family difficulties, and organizes birthday activities to create a more supportive working environment.
Bill also believes that businesses should contribute positively to society through charitable activities and community support.
His long-term vision is to build a manufacturing company that customers can trust, employees can grow with, and society can respect.
Lisa Lee – Co-Founder & Head of Marketing
Lisa Lee, co-founder and Head of Marketing at JeaSnn, entered the precision hardware manufacturing industry in 2001.
Like Bill, Lisa began her career on the production floor. She personally participated in manufacturing operations such as tapping, drilling, and slot milling, gaining firsthand knowledge of how precision hardware components are produced.
She later moved into the quality management department, where she handled sample inspection, inspection reports, documentation, and coordination between different departments.
This experience gave her a strong understanding of both manufacturing requirements and product quality control.
It also helped her develop the ability to communicate effectively with customers about technical specifications, product requirements, and quality expectations.
Recognizing the importance of international communication, Lisa independently studied English during her spare time. Through continuous learning and professional development, she gradually moved into international business and market development.
Today, as Head of Marketing, Lisa leads JeaSnn's marketing activities and international customer communication.
She has guided the team in attending industry exhibitions and visiting customers in markets including the United States and Europe. These face-to-face interactions help the company better understand customer expectations, industry trends, and the challenges faced by overseas buyers.
For Lisa, marketing is not simply about generating orders. It is about connecting customers with the right manufacturing resources and ensuring that their requirements are clearly communicated to the engineering and production teams.
When customers request custom CNC machined parts, clear communication is essential. Material grades, dimensional tolerances, surface finishes, order quantities, and delivery expectations must all be understood before production begins.
Lisa believes that sincere communication, mutual trust, and consistent service are the foundation of long-term business relationships.
She also actively supports employee development through training and team activities. Her approach emphasizes professional improvement, mutual respect, and a positive working environment.
Outside daily business operations, Lisa participates in volunteer activities and community service. She believes that a responsible company should create value not only for customers but also for employees and society.
Her commitment to communication and customer relationships helps JeaSnn maintain a customer-focused approach in the global precision machining market.
Kevin Zhang – Engineering Manager
Kevin Zhang, Engineering Manager at JeaSnn, entered the precision hardware manufacturing industry in 2001.
His career has developed through practical experience in production and engineering. Starting as an ordinary production worker, he progressed through apprenticeship and technical positions before becoming an engineering manager.
Over the years, he has developed extensive experience in machining processes, technical problem-solving, and production improvement.
Kevin has a particular interest in challenging machining projects. He enjoys working on complex components that require careful process planning, repeated testing, and technical optimization.
When a component presents manufacturing difficulties, Kevin leads the engineering team in analyzing the problem, evaluating different machining methods, and testing possible solutions.
This practical approach is especially valuable for custom CNC machined metal parts with demanding geometries, tight dimensional requirements, or challenging material characteristics.
For example, complex precision shafts, small threaded components, and multi-feature hardware parts may require careful coordination between CNC turning, milling, drilling, tapping, and inspection operations.
Kevin focuses on finding manufacturing solutions that are technically feasible, stable, and suitable for the customer's application.
His technical experience has helped customers overcome various machining challenges and has contributed to the company's reputation for practical engineering support.
Customers visiting the JeaSnn factory often seek opportunities to discuss their technical requirements directly with Kevin. His willingness to listen, analyze problems, and provide practical suggestions reflects the company's customer-oriented engineering culture.
For Kevin, true engineering capability is not simply the ability to operate advanced machinery. It is the ability to understand a problem and develop a reliable solution.
3. Our Core Manufacturing Capabilities
With years of manufacturing experience and continued investment in equipment, JeaSnn provides a range of custom CNC machining services for precision metal and plastic components.
Our objective is to help customers turn engineering drawings, CAD models, and product concepts into manufacturable parts.
CNC Machining and CNC Milling
CNC milling is widely used to manufacture components with flat surfaces, pockets, slots, holes, and complex profiles.
JeaSnn provides custom CNC milling services for aluminum, stainless steel, brass, steel, and other suitable engineering materials.
Typical products include:
Custom CNC Aluminum Parts
Precision mounting brackets
Metal housings and enclosure
Machined plates and blocks
Industrial equipment components
Custom mechanical fittings
Our engineering team reviews part geometry, material selection, machining accessibility, and dimensional requirements to develop an appropriate manufacturing process.
CNC Turning and Swiss CNC Machining
CNC turning is suitable for producing cylindrical precision hardware components such as shafts, pins, bushings, sleeves, spacers, and threaded parts.
For smaller and more complex components, Swiss-type CNC machining provides an effective manufacturing option.
These processes are particularly useful for products requiring controlled diameters, concentric features, threads, grooves, and other rotational geometries.
JeaSnn supports custom CNC turned parts according to customer drawings and specifications.
5-Axis CNC Machining
Some custom metal components contain complex surfaces, angled features, or geometries that are difficult to manufacture through conventional setups.
5-axis CNC machining provides additional tool orientation flexibility and can help reduce repeated repositioning for suitable part designs.
The process is useful for complex industrial components, specialized housings, and precision parts requiring machining from multiple directions.
Custom Screws, Nuts, Shafts, and Bushings
In addition to general CNC machined components, JeaSnn manufactures customized precision hardware products, including:
Custom machine screws and special fasteners
Precision shafts and pins
Custom nuts and threaded components
Metal bushings and sleeves
Standoffs, spacers, and washers
Small precision turned components
These products are used in mechanical assemblies, electrical equipment, automotive systems, lighting products, and industrial machinery.
By manufacturing according to customer drawings, we help OEM customers obtain components that match their specific assembly and application requirements.
Prototype Development and Assembly Services
Product development often requires sample parts before a design can be approved for production.
JeaSnn supports prototype machining and sample development to help customers evaluate dimensions, fit, functionality, and manufacturability.
After prototype approval, we can support the transition to repeat production according to the agreed technical specifications.
We also provide assembly services for suitable components, helping customers reduce supplier coordination and simplify their procurement process.
4. Our Manufacturing Philosophy: Precision, Responsibility, and Customer Value
JeaSnn's development is closely connected to the values of its leadership team.
From the early days of operating three automatic lathes to managing a larger precision manufacturing facility, we have maintained a focus on practical manufacturing knowledge, continuous improvement, and customer satisfaction.
Our philosophy is built around three principles.
Precision Manufacturing
We understand that small dimensional differences can affect assembly, performance, and product reliability. Our team pays attention to machining processes, technical requirements, and inspection procedures to help customers obtain parts that meet their specifications.
Reliable Quality
Quality is not achieved through inspection alone. It requires coordination between engineering, production, and quality management. We work to establish consistent manufacturing processes and maintain clear communication throughout each project.
Customer Value
We believe a manufacturing supplier should do more than produce components according to drawings. A valuable partner should also understand customer challenges, suggest practical manufacturing improvements, and help optimize cost and production efficiency.
Our mission is to create value for customers through professional manufacturing and a long-term, mutually beneficial approach to cooperation.
5. Partner with JeaSnn for Your Next Custom Machining Project
Every successful manufacturing partnership begins with understanding the customer's needs.
Whether you are developing a new product, searching for a reliable CNC machining manufacturer in China, or looking to improve the supply of existing precision hardware components, JeaSnn is ready to discuss your project requirements.
We manufacture custom CNC machined metal parts according to customer drawings and specifications, including aluminum components, stainless steel parts, brass fittings, precision shafts, custom screws, nuts, bushings, spacers, and other customized hardware products.
From initial design review and prototype development to production and assembly, our team works to provide practical manufacturing support throughout the project.
To help us evaluate your requirements and prepare an accurate quotation, please provide:
Your 2D engineering drawings and 3D CAD files.
Required material grades and specifications.
Critical dimensions and tolerance requirements.
Surface finishing or coating requirements.
Estimated order quantity.
Target delivery schedule.
Our engineering and sales teams can review the information and discuss suitable manufacturing solutions with you.
Email:engineer@cncpartschina.com
Looking for a reliable custom CNC machining manufacturer for precision metal parts? Contact JeaSnn today and let our experienced team help turn your drawings into high-quality, production-ready components.
