Dongguan Sanjun Hardware & Electrical Co., Ltd. (hereinafter referred to as Sanjun) was established in August 2010 in Shenzhen's Guangming New District. With a current factory area of 5,000 square meters, it is a sheet metal processing manufacturer integrating production and sales. The company primarily supplies sheet metal parts for display, education, medical, power, home, and new energy applications. Our primary goal is to pursue excellence in quality, providing customers with high-quality sheet metal products, and striving to become an outstanding sheet metal manufacturer. We consistently adhere to a customer-centric approach, continuously improving and enhancing to provide our customers with the most professional and cost-effective solutions. Leveraging our experience and resources, coupled with meticulous attention to production and sales, we strive to achieve product quality excellence and become a leading sheet metal manufacturer in the market. Our company boasts a team of 50 professional sheet metal structural engineers and is equipped with sophisticated development and production equipment. Our main production equipment includes two CNC punch presses (one XP1250X and one AMADA EM2510), a laser cutting machine, three AMADA CNC press brakes, two American Hager automatic riveting presses, and several argon arc and butt welders. We provide clients with specialized solutions in sheet metal technology and parts. We invest 10% of our annual profits in R&D. Leveraging advanced equipment and technology, we stay abreast of the latest market trends in sheet metal products and create innovative products for our clients. Our company takes GB/T19001-2008 (idt ISO9001:2008) "Quality Management System - Requirements" as its basis, studies the management models of outstanding enterprises, combines many creative suggestions with specific work, determines the company's quality policies and goals, formulates a series of standards and management procedures, and establishes and improves an integrated corporate quality management system, so that everyone has rules to follow in their work and everyone is responsible for everything in the company.
No molding required, customization supported
Respond quickly to customers and provide samples based on customer drawings within a short period of time.
The Sheet Metal Welding department specializes in the forming and processing of metal sheets (cutting, bending, stamping, etc.) and connects these sheet metal components into sturdy, precision parts or structural components through welding processes.
Spraying Department
The Coating Department of the Sheet Metal Industry is responsible for applying surface coatings to formed sheet metal components, providing them with protective and decorative coatings. This is the final step in ensuring the appearance, weather resistance, and service life of the product.
Fitter Department
The Sheet Metal Working Department is responsible for the fine adjustment, assembly, connection (riveting/screwing/gluing), and debugging of sheet metal parts, which is a key link in achieving the precise fit and functional integrity of parts.
Cutting Department
The Sheet Metal Laser/Numerical Control Punching and Blanking Department uses laser cutting machines and numerical control punching machines to precisely cut and punch metal coils or plates into blank parts with the required contours and hole positions.
Business Department
The Sheet Metal Business Department serves as the company's external window for sheet metal processing services, coordinating the entire process from customer demand alignment, order review, production coordination, to delivery and payment collection. It acts as the commercial engine driving market development and business growth.
Bending section
The Sheet Metal Bending Department is responsible for using CNC bending machines and other equipment to accurately shape flat blank parts into parts with specific angles and three-dimensional structures. This is the core forming process for achieving the geometric shape of product designs.
Assembly Department
The Sheet Metal Assembly Department is responsible for the final assembly, connection, and debugging of processed and formed sheet metal parts and purchased parts. It is the final assembly stage that forms the complete product structure and realizes the overall functional requirements.
Our Brand
FAQ
Frequently Asked Questions
We usually quote within 24 hours after we get your inquiry. If you are very urgent, pls call us or tell us in your email so that we will regard your inquiry priority.
After price confirmation, you can require for samples to check our quality. We will provide you sample for free (value under USD15), as long as you afford the express freight.
After you pay the sample charges(if there is) and send us confirmed drawings, the sample will be ready for delivery in 3-7 working days. The samples will be sent to you via DHL, FedEx,UPS,TNT or EMS. It should arrive in 3-5 workdays. You can use your own express account or prepay us if you don't have any account.
Honestly, it depends on the order quantity. Normally, 15 days to 20 days after your deposit if no tooling needed.
Testimonials
What Our Clients Say
These reviews reflect positive customer experiences and help build trust and appeal for your showroom.
Communication with the seller is very positive and always open to suggestions, modifications, and solutions. I am happy that I chose this company to finish the box I ordered with special needs, and they completed the job in amazing time with quality and details too. the good sent over sea in protected wooden box and warped proffisonaly . thank you
Olivia
consumer
Box seems adequate, good value at this price. Be prepared to work it in order to have something secure and useful. a pretty good box for small electrical projects.
Darlene Robertson
consumer
My product was professionally made and delivery was on-time. Very professional and knowledgeable. Awesome customer service, everything come in great shape and what I asked, very satisfied, I recommend the supplier. Great service and easy to communicate. I will continue to order in the future
Chloe
consumer
I am extremely satisfied with the products I received. Service and quality were second to none. We will continue to develop a strong relationship with this company.
Ethan
consumer
good supplier repect our design to make sample, and mass order qty in highly quality.
Liam
consumer
Fast, professional and high quality. Looking forward to long term business. Thank you!
Lucas
consumer
I am very happy with the product I received. it was exactly as described and very well manufactured. Will do business again.
Eli
consumer
I'd like to thank you and the team at Sanjun for delivering a nicely product to us and on time. We are very pleased with the product and you will get our future business.
Tom
consumer
Sanjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.
Mia
consumer
Sunjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.