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Technical Resources

Access comprehensive documentation, specifications, and technical materials for longcang's premium washers and fasteners

500+

Technical Documents

15+

Years Experience

1000+

Global Customers

Explore Our Resources

Find the technical information you need to make informed decisions about our washers and fasteners

Product Catalogs

Comprehensive catalogs featuring our complete range of washers and fasteners with detailed specifications

  • • High-Strength Lock Washers
  • • Butterfly Washers
  • • French Washers
  • • Serrated Washers
  • • Bearing Retaining Rings

Technical Specifications

Detailed technical data sheets with dimensions, tolerances, materials, and performance characteristics

  • • Material Properties
  • • Dimensional Drawings
  • • Performance Data
  • • Application Guidelines
  • • Testing Standards

Quality Certifications

ISO certifications and quality documents demonstrating our commitment to international standards

  • • ISO Quality Certificates
  • • Testing Reports
  • • Quality Control Procedures
  • • Compliance Documents
  • • Third-party Validations

Featured Resources

Most downloaded and essential resources for our customers

Complete Product Catalog 2024

Latest comprehensive catalog featuring all washer and fastener products with updated specifications

PDF • 8.5 MB • Updated Jan 2024

OEM Customization Guide

Comprehensive guide for custom manufacturing requirements and specification processes

PDF • 3.2 MB • Updated Dec 2023

Quality Control Standards

Detailed documentation of our quality control processes and international compliance

PDF • 2.1 MB • Updated Nov 2023

Installation Guidelines

Best practices and installation instructions for optimal performance of our products

PDF • 1.8 MB • Updated Oct 2023

Find Specific Resources

Search through our comprehensive library of technical documents

Lock Washer Specs

Technical Specification

Detailed specifications for high-strength lock washers including material properties and dimensions.

PDF • 850 KB

ISO 9001 Certificate

Quality Certification

Official ISO 9001:2015 quality management system certification document.

PDF • 1.2 MB

Testing Procedures

Quality Document

Comprehensive testing procedures and quality control methods for all products.

PDF • 2.1 MB

Market Analysis 2024

Industry Report

Global fastener market trends and industry insights for strategic planning.

PDF • 3.8 MB

Application Guide

Installation Manual

Best practices for washer selection and proper installation techniques.

PDF • 1.5 MB

Factory Overview

Company Profile

Comprehensive overview of our manufacturing capabilities and facilities.

PDF • 4.2 MB

Need Additional Technical Support?

Our experienced technical team is ready to provide customized solutions and expert guidance for your specific requirements

Technical Consultation

Expert advice on product selection an

Expert advice on product selection and application requirements

Custom Engineering

Tailored solutions for specialized applications and requirements

Sample Testing

Quality testing services and performance validation

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Trusted by Global Industry Leaders

Over 15 years of excellence in manufacturing washers and fasteners

2002
Founded
1000+
Global Customers
ISO
Certified Quality
24/7
Technical Support
Ruian longcang Standard Parts Co., Ltd. Ruian, Zhejiang Province, China Professional Washer & Fastener Manufacturer

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