Product Categories

Our products are widely used in various fields.

About Our Company

Founded in 2019, Firmstone (Tianjin) International Limited is located in Xiqing District, Tianjin. Firmstone has built a solid reputation for reliable quality, efficient delivery and premium customer service. Our business has expanded to multiple overseas markets, evolving into a reputable supplier of metal product foreign trade in North China. Moving forward, Firmstone will keep focusing on real-economy foreign trade, upgrading product quality and exploring global markets, empowering longterm winwin development for all partners with professional expertise.

Why Choose Us

The company has adhered to the business philosophy of Quality-Oriented, Integrity-Driven and Win-Win Cooperation.

Customized Solution Design

Customization is available for product size, material, surface treatment and packaging.
Strict Quality Control

All products undergo standardized pre-shipment inspection on specifications, anti-corrosion workmanship and mechanical performance.
Flexible Order Coordination

We support reasonable adjustments to delivery time and packaging solutions according to customers' project progress to adapt to temporary project changes.
Rapid Problem Response

All after-sales inquiries will be responded to within 24 hours. For quality problems caused by our production, we provide effective solutions.
Long-term Technical Support

We provide ongoing installation guidance, daily maintenance suggestions and product optimization solutions to support customers' long-term project development and stable cooperation.

OEM/ODM Service

We have always been committed to designing products and solutions that improve people's quality of life.

OEM Service

We offer OEM customization of metal wire products, including galvanized and alloy-coated steel wire for cable armoring, fencing, and more. Customizable in material, diameter, coating, and tensile strength, compliant with international standards. We provide one-stop services from R&D, production, quality inspection, packaging to logistics, ensuring stable high-volume delivery.

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ODM Service

We offer ODM services for metal wire products: from concept design, formula and process development, prototyping, to mass production and logistics delivery. Customizable in material, coating type, mechanical properties, and structure, compliant with international standards. Leveraging strong R&D capabilities, we turn innovative ideas into reliable products with assured quality and on-time delivery.

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Application Areas

After years of dedicated development, the company has entered a phase of steady and high-quality growth.

Galvanized Wire
PVC Coated Wire
Black Annealed Wire
Barbed Wire
Chain Link Fence
Security Fencing

What Our Customers Said

A standardized system covering procurement, quality inspection and cross-border delivery has been built to lay a solid foundation for standardized and professional operation.

Customer Rating 1

As a wholesaler, we need reliable supply, competitive pricing, and low transport loss. Firmstone’s chain link fence has a flat, even mesh surface, tightly secured edge wires, full roll weights, and accurate dimensions. The PVC coating color is stable and UV-resistant, so it does not fade easily in outdoor use. They also help us optimize container loading, reduce empty space, and lower ocean freight costs. Their communication and responses are fast, and bulk orders remain consistent with the approved samples. We have already referred Firmstone to peers in the industry and plan to purchase from them long term.”

Customer Rating 2

We worked with Firmstone on a community fencing project, and what we appreciated most was their communication and project management. They replied the same day to our inquiry, and the quotation clearly listed material, coating, packaging, and lead time. After the order was placed, they proactively set up a group chat, regularly updated production progress, and sent photos and videos at key stages. When we needed to adjust shipping marks and labels at short notice, they confirmed and implemented the changes quickly. They also cooperated with third-party inspection, and the container loading list and documents were accurate. There was no information gap from order confirmation to shipment—it felt like we had a dedicated project manager following up.”

Customer Rating 3

As an importer, we place great importance on traceability and compliance documents. Firmstone provides material certificates, dimensional inspection, coating thickness, and tensile strength data for every batch, and they support third-party inspection. When our end customers require special documents, they coordinate actively without delay. They also send photos for confirmation before packing, and the container loading list is clear. Over the past year, our incoming spot-check pass rate has been stable, and document errors have been very rare, which gives us more confidence when serving our end customers.”

Customer Rating 4

"After two years of cooperation, what we value most is that they never shift responsibility when problems arise. When a small number of frames were scratched during sea transport, they first provided a solution, then quickly sent replacement parts, and analyzed how to improve the packaging. Their technical team also helped us choose specifications and avoid over-engineering. They even maintained key communication during holidays. Their price is not the lowest, but their overall service, delivery performance, and sense of responsibility make us willing to cooperate long term and recommend them to our partners."

Latest News

May 20, 2026

Specifications For Coated Wire

The specifications of coated wire are primarily determined by parameters such as core diameter, coating thi...

May 19, 2026

Material Of Coated Wire

Coated wire consists primarily of two components: an inner metal core and an outer coating material.

May 18, 2026

The Primary Function Of Coated Wire

The primary function of coated wire is to enhance the product's protective capabilities and operational sta...

May 17, 2026

Advantages Of Coated Wire

Coated wire is a composite wire product featuring a protective coating applied to the surface of a metal co...

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