About Us

Who we are

We are an industry leading supplier of metal riveting, welding and surface treatment.

Established in June 2000, Beijing Dajiang Industrial Co., Ltd., specializes in metal product riveting and welding,surface treatment processing, providing support to internationally renowned enterprises. The company is located in the Economic Development Zone Phase IV of Miyun District, Beijing, covering an area of 8,200 square meters with a building area of over 12,000 square meters. It currently has 126 employees.

Dajiang Industrial is well-known in the mechanical manufacturing field in Beijing for its excellent product quality.Its processing products include hydraulic oil filters, seawater filters, natural gas filters, quartz sand filters, chemical storage tanks, low-temperature storage tanks; building water supply pipelines, pressure stabilizers, ultraviolet disinfection shell bodies; rotary filter cartridges, integrated assembly of filters; surface treatments such as phosphating for carbon steel, rust removal dry sandblasting, water sandblasting, shot blasting, spray coating, painting, heavy-duty corrosion protection, electrolytic polishing, etc.

It adheres to the corporate development concept of “Being happy with the ordinary and aiming far beyond”, seeking development and benefiting more people.

23+
Years of Experience
10000+
More than 10,000 customer cases, high quality, and cost-effectiveness.

Real service cases, long-term natural cooperation, genuine customer reviews.

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23 years of world-class product manufacturing experience
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Project Realize
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Awards Won
Why Choose us

Real Expert in Metal SurfaceTreatments , Riveting and Welding.

We have been focusing on metal surface treatment, riveting and welding for more than 20 years. Drawing on our extensive surface treatment, riveting and welding expertise, we undertake to provide you with advice and deliver solutions that not only meet your specifications but also include any related requirements you may have (logistics, quality, environment, packaging, etc.)

OEM contract manufacturing

With our own land and self-built factory spanning over 12,000 square meters, we have production lines for cutting, machining, riveting, spraying, painting, phosphating, acid pickling-passivation, mechanical polishing, electrolytic polishing, equipment assembly, and more. You only need to provide a blueprint, then Dajiang Industrial can complete the entire process in one stop, saving you time, effort, and money.

23 years of top-notch product manufacturing experience

With 23 years of experience in manufacturing top-notch products and advanced management expertise, Dajiang Industrial has provided supporting services to numerous world-class companies. Due to the excellent product quality, all products are granted exemption from inspection before delivery.

Complete qualifications

We hold a Class D qualification certificate for the manufacturing of stationary pressure vessels and a Class 2 qualification certificate for building electromechanical installation/environmental protection projects.

Excellent quality

We have obtained ISO9001, ISO14001, ISO45001, ISO27001, and ISO3834 system certifications

Worry-free after-sales service

All production processes strictly follow standard specifications, ensuring excellent product quality and worry-free after-sales service.

Our Certificates

We provide services accredited by professional organizations

Our Factory Show

Trusted by 10000+ world-class brands andorganizations of all sizes.

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