Kangnaigu mainly supplies:

    · Solar mounting systems

    · Ground solar mounting structures

    · Rooftop solar mounting accessories

    · Solar carport mounting components

    · C channels and steel brackets

    · Bolts, nuts and washers

    · Threaded rods

    · Hot-dip galvanized fasteners

    · Power line hardware

    · Customized metal components

We can also provide matching accessories according to customer drawings and project requirements.

Our products are widely used in:

    · Solar power projects

    · Steel structure projects

    · Construction projects

    · Power transmission lines

    · Power distribution lines

    · Utility pole projects

    · Industrial installation projects

    · Outdoor infrastructure projects

Different products can be supplied according to different application environments and technical requirements.

Kangnaigu focuses on practical products, suitable materials and reliable supply support. We can provide solar mounting systems, fasteners and power line hardware in one supply chain, helping customers reduce purchasing complexity.

Our advantages include product variety, material options, customization support, export packaging, quotation support and experience with outdoor engineering applications.

We can supply components for different solar mounting systems, including:

    · Ground solar mounting systems

    · Rooftop solar mounting systems

    · Solar carport mounting systems

    · C-channel solar mounting structures

    · Customized solar brackets and accessories

The suitable system depends on project type, installation location, panel size, wind load, snow load and foundation condition.

To provide an accurate quotation, please send us the following information:

    · Project type: ground, rooftop or carport

    · Solar panel size

    · Installation location

    · Quantity requirement

    · Material requirement

    · Surface treatment requirement

    · Project drawings if available

    · Wind load and snow load if available

    · Foundation or roof type

    · Trade term and destination port

The more complete the information, the more accurate the quotation will be.

Yes. We can provide customized solar mounting components according to customer drawings, specifications and project requirements.

Customization may include:

    · Length

    · Thickness

    · Hole position

    · Bracket shape

    · Surface treatment

    · Material type

    · Packing method

    · Matching fasteners and accessories

Please send us your drawings or project requirements for confirmation.

Common materials include hot-dip galvanized steel, ZAM-coated steel, aluminum alloy, carbon steel and stainless steel.

Hot-dip galvanized steel is widely used for outdoor steel structures because it offers good strength and corrosion resistance. ZAM-coated steel is suitable for projects requiring better anti-corrosion performance. Aluminum alloy is often used for rooftop solar systems because it is lightweight and corrosion-resistant.

HDG steel means hot-dip galvanized steel. It is usually galvanized after forming and provides reliable corrosion protection for outdoor use.

ZAM steel usually refers to zinc-aluminum-magnesium coated steel. It has excellent anti-corrosion performance and is often used for solar brackets, C channels and formed steel components.

For standard outdoor solar projects, HDG steel is a practical and cost-effective choice. For coastal, humid or high-corrosion environments, ZAM steel may be a better option.

Yes, but material selection is very important for coastal areas. Because coastal environments contain salt and humidity, corrosion resistance should be carefully considered.

For coastal projects, ZAM-coated steel, hot-dip galvanized steel with suitable coating thickness, aluminum alloy or stainless steel fasteners may be recommended depending on the project requirements.

Yes. Solar brackets are usually installed outdoors for many years, so anti-corrosion performance is very important.

Good anti-corrosion treatment helps improve service life, reduce rust, lower maintenance cost and maintain structural safety.

Yes. We can provide bolts, nuts, washers, clamps and other accessories for solar mounting systems.

Matching fasteners are important for installation efficiency and structural stability. We can supply fasteners according to the required size, grade, material and surface treatment.

We can supply different types of fasteners, including:

    · Hex bolts

    · Hex nuts

    · Flat washers

    · Spring washers

    · Threaded rods

    · Anchor bolts

    · U bolts

    · Customized bolts

    · Hot-dip galvanized fasteners

    · Stainless steel fasteners

Products can be supplied according to customer drawings, standards or samples.

We can supply fasteners according to common international standards and customer requirements, such as ISO, DIN, ASTM, ANSI, JIS and BS.

Customers should provide the required standard, size, grade, material, surface treatment and quantity before quotation.

Common metric bolt grades include 4.8, 8.8, 10.9 and 12.9. Common nut grades include 5, 8, 10 and 12.

For ASTM or inch fasteners, grades and specifications may be different. Please provide your project standard or drawing so we can confirm the correct product.

No. Metric and inch fasteners have different thread systems and are not interchangeable.

For example, M16 and 5/8 inch bolts may look similar, but their thread size and pitch are different. Before ordering, please confirm whether your project requires metric or inch fasteners.

Common surface treatments include:

    · Hot-dip galvanizing

    · Zinc plating

    · Black finish

    · Plain finish

    · Zinc flake coating

    · Stainless steel material

For outdoor projects, hot-dip galvanized fasteners and stainless steel fasteners are commonly used because they provide better corrosion resistance.

Yes. Hot-dip galvanized fasteners are widely used in outdoor projects, such as solar mounting systems, steel structures and power line hardware.

They provide good corrosion resistance and are suitable for long-term outdoor applications.

Yes. We can provide customized fasteners according to customer drawings, samples or technical specifications.

Please provide product drawings, material requirements, grade, surface treatment, quantity and application details for confirmation.

Power line hardware refers to components and fittings used in power transmission and distribution projects. These products help support, connect, fix and protect electrical lines and related structures.

Common power line hardware includes brackets, clamps, cross arms, bolts, nuts, washers, anchors and other metal fittings.

Power line hardware is commonly used in:

    · Transmission lines

    · Distribution lines

    · Utility poles

    · Electrical substations

    · Solar farms

    · Outdoor electrical infrastructure

    · Steel structure support systems

Different projects require different materials, surface treatments and mechanical strength.

Common materials include carbon steel, hot-dip galvanized steel, ZAM-coated steel and stainless steel.

For outdoor power line projects, hot-dip galvanized steel is commonly used because it provides strength and corrosion resistance.

Yes. Many power line hardware products can be customized according to drawings, project specifications and installation requirements.

Customization may include shape, size, hole position, thickness, material and surface treatment.

Power line hardware is installed outdoors and exposed to rain, humidity, sunlight and changing weather conditions.

Hot-dip galvanizing provides a protective zinc coating that helps reduce rust and corrosion, improving product durability and service life.

Hot-dip galvanizing is a process where steel products are dipped into molten zinc to form a protective zinc coating on the surface.

This coating helps protect steel from rust and corrosion, making it suitable for outdoor applications.

ZAM-coated steel refers to zinc-aluminum-magnesium coated steel. It provides strong corrosion resistance and is increasingly used in solar mounting structures, C channels and outdoor steel components.

ZAM-coated steel is suitable for projects requiring better anti-corrosion performance, especially in humid or coastal environments.

The right material depends on:

    · Project location

    · Application environment

    · Wind load and snow load

    · Corrosion risk

    · Budget

    · Service life requirement

    · Installation method

    · Project standard

For standard outdoor projects, hot-dip galvanized steel is often suitable. For coastal or high-corrosion environments, ZAM-coated steel or stainless steel may be recommended.

In many cases, yes. Fasteners should be compatible with the main structure and application environment.

For outdoor projects, bolts, nuts and washers should also have suitable corrosion protection, such as hot-dip galvanizing or stainless steel material.

You can contact us by email, website form or WhatsApp. Please provide product name, size, material, surface treatment, quantity, drawings and application details.

For solar mounting systems, please also provide panel size, project type and installation location.

Please provide:

    · Product name

    · Standard

    · Size and length

    · Thread type

    · Grade or material

    · Surface treatment

    · Quantity

    · Drawing if available

    · Packing requirement

    · Destination port or trade term

This information helps us provide a faster and more accurate quotation.

Trial orders can be discussed according to product type, quantity and production requirements.

For customized products, MOQ may depend on material, mold, processing difficulty and surface treatment.

Samples may be available depending on the product type and stock situation.

For customized products, sample production may require drawings, technical confirmation and sample cost.

Production time depends on product type, quantity, material availability, surface treatment and order schedule.

Standard products may be faster, while customized products usually require more time for drawing confirmation, production and inspection.

Please contact us with your order details for a more accurate lead time.

Quality control may include material checking, dimension inspection, surface treatment inspection, thread inspection, packing inspection and quantity confirmation before shipment.

For customized products, drawings and specifications will be confirmed before production.

Test reports or certificates can be provided according to project requirements and product type.

If your project requires specific documents, please inform us before placing the order.

Yes. Customers can arrange inspection before shipment if needed.

We can also provide product photos, packing photos and loading photos according to customer requirements.

Please contact us as soon as possible and provide photos, packing information and order details.

Our team will check the situation and help provide a suitable solution according to the actual problem.

Solar mounting systems are usually packed according to product size, weight and shipping method.

Common packaging methods include bundles, pallets, cartons, steel strips, plastic film and customized export packaging.

Proper packaging helps reduce damage during transportation and makes unloading easier.

Fasteners can be packed in cartons, bags, pallets or customized packaging according to customer requirements.

For export orders, clear labels and packing lists can help customers identify products more easily.

Yes. Customized packaging can be discussed according to product type, quantity and customer requirements.

Customers can provide packaging requirements before quotation or order confirmation.

Common shipping methods include sea freight, railway transport, truck transport and air freight.

For heavy products such as solar mounting systems and fasteners, sea freight is commonly used. The suitable shipping method depends on destination, cargo volume, delivery time and cost.

Shipping support can be discussed according to trade terms and customer requirements.

Customers can also use their own freight forwarder.

Yes. We can provide product selection support, specification confirmation and basic technical communication according to project requirements.

For customized products, customers are encouraged to provide drawings or samples for accurate confirmation.

For solar mounting systems and related accessories, installation guidance may be provided according to product type and project requirements.

If your project requires specific installation documents, please inform us before order confirmation.

You can contact Kangnaigu through our website contact form, email or WhatsApp.

Please send us your product requirements, drawings, specifications and quantity. Our team will reply with suitable product suggestions and quotation support.