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Precision Hardware Solutions for Global Industries

Zhejiang Krui Hardware Co., Ltd. – ISO 9001 certified manufacturer of custom and standard fasteners, machined parts, stamped components, and assemblies. Serving OEMs worldwide since 2004 from our base in Ningbo, China.

Krui Hardware Products

About Krui Hardware

A trusted OEM partner for non-standard and standard hardware components with over two decades of engineering excellence.

ISO 9001 Certified

ISO 9001 Certified Manufacturer Since 2004

Located in Ningbo—one of China’s largest hardware manufacturing hubs—just 15 minutes from the Ningbo seaport, Zhejiang Krui Hardware Co., Ltd. has been delivering precision-engineered metal components to global clients since 2004.

As an ISO 9001:2008 certified company, we maintain strict quality control across all production stages. Our team includes a strong R&D department, experienced managers, and 55 skilled workers supported by modern machining and testing equipment.

  • Custom & standard fastener manufacturing
  • Machined, stamped, and assembled parts
  • Materials: Stainless steel, carbon steel, aluminum, brass, and more
  • Stock availability for 304/316(L) SS components
Learn more about our certifications →

Our Product Range

From standard fasteners to fully customized assemblies, we offer a comprehensive lineup for diverse industrial applications.

Stainless Steel Wood Screw DIN 7997

Wood Screw DIN 7997

  • Material: 304SS, 316SS, carbon steel
  • Size: M3–M20
  • Standard: DIN7997 or customizable
  • Packing: OPP bag, carton, wood case
DIN912 Hex Socket Cap Screw

Hex Socket Cap Screw DIN912

  • Material: 304SS, 316SS, carbon steel
  • Size: M6–M24
  • Standard: DIN, ISO, JIS, or custom
  • Finish: Customizable
Inbuilt Nut

Inbuilt Nut

  • Material: Stainless steel
  • Size: M12–M20
  • Customizable: Material, finish, size
  • Packing: Box, carton, wood case
Hanger Screw

Hanger Screw

  • Material: Stainless steel
  • Size: M12
  • Finish: As per requirement
  • Customizable: Yes
Custom Furniture Bolt

Furniture Bolt

  • Type: Stainless steel, security, custom
  • Material: SS, carbon steel, brass
  • Finish: Clear, zinc, or custom
  • Application: Furniture, cabinetry, fixtures
Custom Resistance Screw

Resistance Screw

  • Standard: DIN, ISO, JIS, or custom
  • Size: M6–M24
  • Material: 304SS, 316SS, carbon steel
  • Use: High-stress applications
DEE Shackle DIN82101

DEE Shackle DIN82101

  • Material: 304SS, 316SS, carbon steel
  • Standard: DIN82101 or customizable
  • Application: Rigging, lifting, marine
  • Load-tested: Yes
Eye Bolt with Nut DIN 444

Eye Bolt DIN 444

  • Standard: DIN 444
  • Material: 304SS, 316SS, carbon steel
  • Includes: Nut for secure fastening
  • Use: Lifting, suspension systems
Flange Bushing

Flange Bushing

  • Material: Stainless steel, brass
  • Customizable: Size, finish, flange design
  • Application: Alignment, wear protection
  • Stock & Custom: Available
Pipe Fitting

Stainless Steel Pipe Fitting

  • Size: M6–M30
  • Material: 304SS, 316SS, carbon steel
  • Standard: DIN, ISO, JIS, or custom
  • Use: Plumbing, industrial systems
Stud Screw

Stud Screw

  • Size: M6–M24
  • Material: 304SS, 316SS, carbon steel
  • Standard: DIN, ISO, JIS, or custom
  • Application: Flange connections, machinery
Custom Glass Bolt

Custom Glass Bolt

  • Material: Stainless steel, brass
  • Finish: Polished, brushed, coated
  • Use: Glass railings, balustrades
  • Custom Design: Based on drawings/samples

Our Manufacturing Capabilities

From concept to completion, we support your hardware needs with advanced production technologies and strict quality control.

Custom Machining

CNC turning, milling, drilling, and grinding for precision non-standard parts. Ideal for prototypes and low-to-medium volume runs.

Stamping & Forming

High-speed stamping, deep drawing, and cold forming for complex sheet metal parts with tight tolerances.

Assemblies

Complete sub-assemblies including fasteners, brackets, rods, and housings. We handle multi-component integration.

Wire Cutting

Precision wire EDM for intricate shapes and hardened materials where traditional machining is not feasible.

Cold Extruding

High-strength forming process that improves material grain structure and mechanical properties without heating.

Metal Injection Molding

For complex, small-sized metal parts with excellent dimensional accuracy and surface finish.

Powder Metal

Cost-effective mass production of net-shape or near-net-shape components with consistent material properties.

Big Screws & Bolts

Specialized in large-diameter fasteners for construction, marine, and heavy machinery applications.

Custom Design Support

Work with our R&D team to develop new parts from drawings, samples, or sketches. Rapid prototyping available.

20+
Years in Business
55+
Skilled Workers
100+
Global Clients
ISO 9001
Certified Since 2004

Frequently Asked Questions

Can you manufacture parts from our drawings or samples?

Yes. As a professional OEM supplier, we specialize in producing non-standard hardware based on customer-provided technical drawings, CAD files, or physical samples.

What materials do you work with?

We process a wide range of metals including stainless steel (304, 316, etc.), carbon steel, alloy steel, aluminum, zinc alloy, copper, and brass.

Do you offer surface finishing options?

Yes. We provide various finishes such as zinc plating, nickel plating, black oxide, passivation, polishing, and custom coatings based on application needs.

Are your stainless steel fasteners in stock?

Yes. We maintain inventory of standard 304 and 316(L) stainless steel fasteners including nuts, bolts, screws, washers, and rigging components at competitive prices.

What certifications do you hold?

We are ISO 9001:2008 certified, ensuring consistent quality management across design, production, and delivery processes.

Get in Touch

For inquiries about our products, pricing, or custom manufacturing services, please visit our official website.

Contact Information

Address: 903 Building A, 11 Caihong South Road, Yinzhou District, Ningbo 315041, China

Phone: (86) 574 88358889

Email: gavin@krui-hardware.com

Fax: (86) 574 88358889

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