China Supro MFG
metal Junction Box
A full range of custom metal enclosure solutions
Meet all functional requirements, standards and aesthetics.
Industry Junction Box
Electronic Junction Box
PCB Junction Box
Custom metal Junction box
Supro Manufacturing Co., LTD. is a Chinese manufacturer specializing in custom sheet metal junction boxes, offering solutions for all shapes and sizes of metal junction boxes. This includes: stainless steel, carbon steel, aluminum, pre-galvanized sheet metal, copper, titanium and other materials to meet a variety of industry applications.
With our advanced equipment and professional manufacturing engineering team, we can provide manufacturing solutions for various applications and complex structures of junction boxes through sheet metal bending, sheet metal stamping, CNC machining, aluminum extrusion, welding, CNC sheet metal punching, and artistic surface treatment.
We are an industry leading sheet metal manufacturer with strong manufacturing capabilities, a dedicated manufacturing team, and extensive manufacturing experience. ISO 9001-2015 as well as 14001 certified, supplying 3000+ global buyers with: Mounting box, fixture box, handy box, remodeling box, light switch box, receptacle box, outlet box, electrical box, ceiling fan box, etc.
In addition to metal junction boxes, Supro MFG can custom design and mass manufacture other custom sheet metal products to suit your needs. Electrical enclosures, metal cabinets, outdoor grilles, metal brackets, and control panels.
Rapid Prototype Turnaround
Committed to exceeding expectations for quality and rapid turnaround, and meeting high-quality sheet metal parts.
On-Demand Sheet Metal
Whether it is rapid prototyping & large-volume manufacturing, we will implement it according to customer needs and standards.
Real Fabricators Price
Integrate product design, bending, stamping, cutting, surface treatment, etc. to provide a series of manufacturing solutions.
Custom metal junction box Material Solution
Supro MFG will choose the right materials, accessories, manufacturing process, etc. according to your needs and application. At the beginning of custom metal bracket projects, all fabrication details will get your permission. Helping you to complete your project with the easiest and most efficient way.
aluminum alloy junction box
stainless steel junction box
Galvanized steel junction box
Titanium Junction Box
Copper alloy junction box
Engineering Plastic Junction Box
Why choose Supro Custom metal junction box Services
Provide the most cost-effective cost solution for manufacturing and assembling products, expanding product competitiveness.
a technical team specializing in custom shell manufacturing for more than 30 years.
Advanced Manufacturing Equipment: Industry-leading custom metal enclosure manufacturer with in-house sheet metal, die casting, precision machining workshops, and surface coating workshops.
ISO 9001-2015, PPAP III level, RoHS, NEMA, CE and other certified production standards.
24H*7 online English technical support: The professional English team responds quickly to users’ technical questions online at any time.
help users from product design, prototype, batch manufacturing, surface treatment, assembly and packaging, transportation and a series of value-added services.
With in-house mechanics and chemistry laboratories, it can quickly monitor manufacturing process quality control to ensure the delivery of high-quality products.
Accept to sign NDA documents to ensure that customers’ product information is protected.
Door-to-door delivery in customizable secure packaging after complying with the delivery details agreed with the customer.
No design files? Let Supro MFG do it for you.
We often come across clients who have no professional design drawings and documentation, only a creative idea, which leads to the project being at a standstill.
If you are in this situation, then contact our team of experts.
Supro MFG, as an industry-leading custom metal fabricator, has an ever-experienced team of engineers who utilize their extensive fabrication experience and technical expertise to build your idea into a real product and create design files such as STEP/STP/SLDPRT/DXF/PDF/PRT/DWG/AI.
That’s what makes SUPRO MFG so great, and 2,000 corporate, entrepreneurial, artist, and other purchasers from around the world enjoy working with us and benefiting from our one-stop manufacturing services.
metal Junction box fabrication services
With our extensive experience in custom sheet metal fabrication and our advanced equipment.
We can handle precision sheet metal fabrication projects for any industry.
aluminum extrusion molding services
sheet metal fabrication
Precision CNC Machining
deep drawing stamping
Die Casting Services
metal welding fabrication
Wide range of metal junction box applications
Supro MFG provides a wide range of custom metal bracket manufacturing solutions to help our customers save time, optimize product performance and enhance cost-effectiveness by improving product quality and efficiency, better catering to buyers from around the world and their project operations.
outdoor Junction box
electrical Junction box
waterproof Junction box
terminal junction box
Surface treatment of metal brackets
Supro MFG will choose the right materials, accessories, manufacturing process, etc. according to your needs and application. At the beginning of custom metal bracket projects, all fabrication details will get your permission. Helping you to complete your project with the easiest and most efficient way.
Powder Coating
Effectively wraps metal surfaces and resists rust with aesthetically pleasing custom colors.
anodic oxidation
Forms an oxide film on the surface of aluminum alloy to improve hardness, aesthetics, and corrosion resistance.
Brushed polished
It presents a glossy metallic texture with an even grain that enhances the aesthetics of the product.
sandblast
Cleaning the metal surface, presenting a uniform roughness and improving the adhesion of the paint.
mirror polishing
The metal surface is polished and honed to give a mirror-like finish, increasing the aesthetic effect of the part.
electroplated
A metal protective film, improve wear resistance, conductivity, reflectivity, corrosion resistance and enhance the role of aesthetic.
laser engraving
Commonly used for engraving on the surface of parts, logos, product descriptions, or complex patterns.
screen printing
Printing paint onto the surface of a product creates content of any shape and color that is hard-wearing and beautiful.
why Choose
Quality assurance
Our priority at Supro MFG is to ensure the on-time delivery of high-quality products. By setting up an assembled quality technology and control team, we conduct feasibility reviews of all manufacturing processes of parts, and troubleshoot human, equipment, and tooling hazards. The orderly production of products in the production line is closely monitored, which is unique in our manufacturing process.
Through the continuous improvement plan and the hard work of the quality control team, we can eliminate the cost waste and delay of defective products, ensure that all manufacturing processes are carried out at low cost, and the reliable products that users need are delivered on time.
F.A.Q
Supro MFG is a professional Chinese sheet metal manufacturer, we specialize in the design and manufacture of custom sheet metal parts fabrication and Sheet metal Prototype, ISO 9001-2015 certified, providing a full range of sheet metal parts fabrication solutions and technical support .
We are not a trader, all products are done in our in-house factory, we have a reliable supplier of surface treatment, heat treatment, and standard parts to support us, and we can provide you with economical sheet metal manufacturers ex-works prices.
We have our own sheet metal fabrication factory, welding workshop, laser cutting workshop, and precision CNC Machining workshop, with a total area of more than 3000 square meters, with 12 technical engineers, 36 skilled workers, 6 quality engineers, and a professional English sales team.
Of course, we keep all the customer's information confidential, sign a non-disclosure agreement, our factory will not allow unrelated personnel to enter without authorization, your product design and patented technology will be protected by us.
Yes, we have rich manufacturing experience and technical knowledge, can draw professional design files (including: STL/STEP/IGES/PDF/CAD, etc.) according to your ideas, and provide you with free manufacturability solutions. Actively help you optimize product design, reduce costs, and make your product design more dynamic in the sales market.
From raw materials to finished packaging, we will provide you with reliable quality inspection reports and photos at any time. If you need an authoritative third-party inspection report, we can also actively cooperate to ensure that you will receive high-quality products.
T/T, Paypal western union, L/C, and other channels you suggest (contact us for negotiation).
Yes, we can provide system documentation for PPAP level3.
Our quotations are all factory quotations from manufacturers, and all manufacturing costs and labor costs are traceable. We all use the raw materials of authoritative manufacturer brands, refuse to cut corners, and all products are subject to our quality control.
While there are plenty of small businesses that offer you a very low price, the quality can be at risk.
What your project needs more is the guarantee of high-quality products and on-time delivery, not high-risk.
We do not set a minimum order quantity. Whether you need a small amount of prototypes or large quantities, we will treat you equally and provide you with a full range of manufacturing services and technical support.
We will develop a detailed production plan, every point in time will be practically verified, and all processes are under our monitoring to ensure on-time delivery of high-quality products. (Except for the influence of force majeure factors)
Once there is a signal of delay, we will organize more production capacity to ensure on-time delivery.
Looking for a reliable custom sheet metal fabrication companies?
Talk To Supro MFG Expert Team
Contact us for competitive ex-factory prices,
and a full range of technical support services.