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Kaijian Intelligent Manufacturing: Precision Goes Beyond Dimensions

Rooted in Craftsmanship, Serving Global Industry

Deeply rooted in the metrology tools industry, empowering global smart manufacturing.

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Kaijian Recommended Products

D28 Welding Workbench

The Kaijian D28 Series 3D Flexible Welding Platform is a modular tooling system specifically engineered for heavy‑duty, large‑scale, high‑precision welding applications. Drawing on more than two decades of casting expertise from Botou, Hebei, the platform is integrally cast from HT300 high‑strength gray iron and undergoes double manual aging followed by natural aging stabilization. Paired with the D28 standard hole‑pattern positioning interface, it leverages a “building‑block” assembly approach to enable rapid workpiece clamping and precise positioning, fully replacing traditional dedicated fixtures while significantly enhancing welding efficiency and flexible production capacity. As a specialized manufacturer of Botou‑based welding platforms, Kaijian offers customized D28 model configurations and OEM contract manufacturing services.

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D28 Steel Nitriding Welding Station

Kaijian D28 three-dimensional flexible welding platform, sold directly by the Botou foundry. It features an integral HT300 cast‑iron construction with nitriding treatment, a standard Ø28 mm hole pattern, flatness of ±0.1 mm/m², and a rated load capacity of 3–15 tons. Comes complete with a full set of flexible fixture components, supports custom specifications and modular expansion, and is ideal for welding heavy‑duty structures such as those used in construction machinery and shipbuilding. Professional selection assistance and after‑sales support are provided.

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D16 Cast Iron Nitriding Welding Table

The Kaijian D16 precision 3D flexible welding platform, manufactured by a factory in Botou, features a high‑density hole grid of 50×50 mm, with Ø16 mm precision locating holes and a positioning accuracy of ±0.02 mm. Its HT250 cast‑iron base undergoes nitriding treatment. Designed specifically for small precision components and thin‑walled sheet metal, it is equipped with miniature fixture accessories, enabling rapid changeovers with high precision. It is suitable for industries such as medical devices, electronics, and precision hardware, and supports custom specifications.

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High-precision welding table

The Kaijian D16 precision 3D flexible welding platform, manufactured by a factory in Botou, features a high‑density hole grid of 50×50 mm, with Ø16 mm precision locating holes and a positioning accuracy of ±0.02 mm. Its HT250 cast‑iron base undergoes nitriding treatment. Designed specifically for small precision components and thin‑walled sheet metal, it is equipped with miniature fixture accessories, enabling rapid changeovers with high precision. It is ideal for industries such as medical devices, electronics, and precision hardware, and supports custom specifications.

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D22 Welding Workbench

Kaijian D22 three-dimensional flexible welding platform, direct sales from the Botou manufacturer, featuring 75×75 mm optimized hole grids and Ø22 mm precision locating holes. Made of HT300 cast iron with natural aging treatment, it supports a load capacity of 2–15 tons and delivers positioning accuracy of ±0.03 mm. A versatile solution that balances precision and load-bearing capacity, it can be expanded by splicing multiple units and is suitable for industries such as rail transit, commercial vehicles, and general machinery. Custom specifications and OEM services are available.

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D22 Steel Nitriding Welding Station

Kaijian D22 three-dimensional flexible welding platform, direct sales from the Botou manufacturer, featuring 75×75 mm optimized hole grids and Ø22 mm precision locating holes. Made from HT300 cast iron that has undergone natural aging treatment, it supports a load capacity of 2–15 tons with a positioning accuracy of ±0.03 mm. A versatile solution that balances precision and load-bearing capacity, it can be expanded by joining multiple units and is suitable for industries such as rail transit, commercial vehicles, and general machinery. Custom specifications and OEM services are available.

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Welding and riveting platform

Kaijian cast‑iron welding platforms, directly sold by the Botou foundry. Made from HT200–HT300 gray cast iron, they undergo manual aging and precision scraping, achieving a flatness of up to Grade 0 (GB/T 22095) and supporting loads of 2–30 tons. Featuring exceptional vibration damping and long‑term dimensional stability, these platforms are ideal for precision inspection, assembly datum work, metrology labs, and other applications. Custom non‑standard designs and OEM manufacturing are also available.

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Welding platform

Kaijian cast-iron welding platforms, sold directly by the Botou foundry. Made from HT200–HT300 gray cast iron, they undergo manual aging and precision scraping, achieving a flatness of up to Grade 0 (GB/T 22095) and supporting loads of 2–30 tons. Featuring exceptional vibration damping and long-term dimensional stability, these platforms are ideal for precision inspection, assembly datum, metrology labs, and other applications. Custom non‑standard designs and OEM manufacturing are also available.

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Source factory

15 years of experience in welding platform manufacturing, with large-scale production and significant cost advantages.

Quality Assurance

Made of high-strength cast iron, precision-machined for wear resistance and durability, ensuring a long service life.

Non-standard customization

We support custom manufacturing based on your drawings and samples, meeting diverse welding requirements for various applications and size specifications.

Global Exports

Professional international trade export process, fast delivery, and global logistics coverage.

Kaijian Precision Engineering – Safeguarding Industrial Precision

18 +

Experience in the manufacturing of precision measuring tools and gauges

10000 square meter

Modern Standard Workshop

60 +

Products exported to countries and regions worldwide

Company Introduction

Hebei Kaijian Industrial Measuring Tools Co., Ltd.

The company is a modern, specialized manufacturer of welding platforms, integrating R&D, production, sales, and service. It focuses on producing three-dimensional flexible welding platforms, welding workstations, welding fixtures, and related products.

The product is crafted from high‑quality cast iron and undergoes precision machining and heat treatment, delivering exceptional accuracy, robust load‑bearing capacity, and dimensional stability. It is widely used in mechanical welding, tooling fixtures, equipment assembly, mold inspection, and other applications.

We remain committed to quality and customer-centricity, providing global importers with high‑quality welding platforms and end‑to‑end solutions. We welcome partners from around the world!

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Customer Review

Recent customer reviews of Kaijian

As a hardware wholesaler, we believe Hebei Kaijian offers exceptional value for money, with quality that rivals international brands and an excellent reputation in the local market. Their packaging is standardized, their supply is reliable, and their customer service is patient, making procurement hassle-free.

Hardware wholesaler

Australia

Our maintenance team has relied on Hebei Kaijian’s tools and gauges for many years; the products are robust, durable, and well-suited to complex operating environments. With short lead times, rapid response to urgent orders, and comprehensive after-sales service, they are an excellent support for our maintenance operations.

Mechanical Maintenance Service Provider

India

Choosing Hebei Kaijian as our supplier was an excellent decision. Their custom-made precision measuring tools boast high accuracy and outstanding stability, ensuring a high first-pass yield for our products. The technical team is highly professional and committed, providing end-to-end project tracking and support—making them a trusted partner for companies with demanding precision measurement needs.

Precision instrument manufacturer

United Kingdom

Hardware wholesaler

Australia

Mechanical Maintenance Service Provider

India

Precision instrument manufacturer

United Kingdom

Production Capability

Strong production capabilities—safeguarding quality.

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Blog & News

Corporate News – Real-Time Updates

2026/10/15

Heavy duty welding table: how to choose the right one for your workshop

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2026/10/14

Comprehensive Solution for Weld Spatter Protection on Cast Iron Workbenches (Industrial-Grade Protection Technical Guide)

This guide presents a comprehensive industrial solution for protecting cast iron welding workbenches from weld spatter. It covers five dimensions: HT250 base material optimization, ion nitriding surface hardening, specialized anti-spatter coatings and greases, operational process control, and tiered daily maintenance. The solution balances high-temperature resistance, anti-adhesion, and precision retention, adapting to various welding conditions while extending service life and reducing maintenance costs.

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2026/10/14

Welding table fixture kit: how to choose and use the right clamps for your projects

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2026/10/13

Efficient Welding Solutions for Large Components: From Process Breakthroughs to System-Level Quality Control

Large-component welding faces a trade-off among efficiency, quality, and deformation. This article reviews process breakthroughs such as laser-arc hybrid welding, dual-energy beams, and ultra-high heat input welding; automation and intelligent sensing; deformation control via restraint and real-time thermal monitoring; and quality inspection with data traceability. It proposes scenario-based differentiated strategies to keep heat input precisely controlled without sacrificing structural integrity.

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