OEM Metal Container Tin Manufacturers & Factory

Global Engineering Excellence in Child-Resistant Steel Packaging, ASTM & CPSC Compliance, & Smart OEM Customization

Company Profile

CR Tin (Andylots Tin Box Packaging Co.,Ltd) is a streamlined, single-source professional supplier of child resistant tin boxes, integrating child resistant lock design, mold making and sampling, child resistant lock testing, and mass production. CR Tin began developing child resistant lock tin boxes in 2017. After nine years of research and development and pioneering experience, we have over 70 certified child resistant lock tin boxes, covering all tin box packaging styles in the industry, and have established our own unique child resistant lock tin box system.

By controlling the entire process from conceptual CAD generation and 3D prototyping down to assembly validation and regulatory filing, we ensure our global clients experience zero-friction supply chain movement, maintaining high yields and rigorous regulatory compliance.

CR Tin Manufacturing Facility

Manufacturing Milestones & Capacities

Quantifying our commitment to scalability, innovation speed, and international standards.

2016
Began CR Tin R&D
70+
Certified Locks & Tins
12+
ASTM Structures
8+
Auto Production Lines
<30 Days
Design to Mold & Cert

The Evolution of Metal Container Tin Manufacturing

An Analysis of Evolving Global Standards, Regulatory Pressures, and Material Sciences

In modern industrial packaging, the metal container tin has evolved from a simple product holder to a sophisticated compliance mechanism. Regulatory frameworks, led by the US Consumer Product Safety Commission (CPSC) and European child safety standards, have mandated strict compliance criteria for products containing active ingredients, nicotine, cannabis, and household chemicals.

This shifting legal landscape has driven massive global demand for child-resistant (CR) packaging, forcing tin factories to engineer high-precision closures that are physically challenging for children under 5 years of age to open, while remaining fully accessible to seniors. The core challenge lies in combining mechanical complexity with the natural premium appeal of metal packaging.

Moreover, the global shift toward sustainability has elevated tinplate (tin-coated steel) as the premier material for circular economy initiatives. Unlike plastics, which degrade during recycling, metal preserves its molecular integrity indefinitely. It represents a closed-loop material cycle, making metal containers the ultimate option for global consumer brands seeking to eliminate single-use plastics and optimize their ESG rating.

Why Partner with Andylots Tin Box Packaging?

Our Core Advantages in Developing and Delivering Certified Child Resistant Metal Packaging

Various CR Tin Options

We provide over 12 proprietary, certified CR tin structures. These designs are pre-tested, offering rapid speed-to-market and lowering upfront regulatory compliance costs for our global partners.

Certified CR Tin Structures

Strong R&D Team

Our engineering division creates free unique CR tin designs. We deliver highly precise 3D rendering artwork and physical 3D plastic samples, reducing tooling errors and optimizing the design phase.

Strong R&D Prototyping

Rigorous Quality Control

Deploying advanced high-speed automation alongside our dedicated manual assembly lines guarantees a low defect rate, consistent locking mechanics, and reliable container sealing.

Quality Control Inspection
Automated Tin Can Manufacturing Line

With over 8 Years of Pioneering Child Resistant Tin Developing Experience

Decades of collective industry experience fuel our team’s unparalleled tin structure knowledge, fresh CR Tin ideas, and consistent quality in our premium and unique CR tin box packaging. Whether you are new to cannabis or deeply seasoned, we are here to support and guide you to choose and use our unique tins. From airtight CR tin, recycling material to high-end, unique tin structure, we have your needs covered.

Our integration of design, mold construction, child-safety testing, and scale assembly offers an optimized workflow for fast product rollouts. This direct control ensures that physical constraints, mechanical stress limits, and material selection conform perfectly to international laws.

Our Child Resistant Packaging System

A breakdown of our manufacturing pillars, optimized to maximize brand protection, reduce costs, and ensure absolute quality.

Certified Options

Establishing a comprehensive child resistant tin box system through continuous ASTM CR certification testing. Providing more unique and cost-effective child resistant tins that suit direct market application.

ASTM Certification Process

Factory Cost Control

Certified child resistant tin structures engineered for simplicity to reduce manufacturing cost. Incorporating automated production lines and reliable accessory suppliers to optimize budget allocations.

Cost Efficient Engineering

Quality Guarantee

Strict QC monitoring on components, automatic assembly, and an extra quality-check line to confirm locking action. Partners can request third-party inspections and comprehensive testing reports.

QC Assurance Inspection

Custom Support

Exclusive, unique child resistant container customizations. Expert support for 3D drawing development, mockups, fast 3D plastic sample processing, and visual 3D artwork rendering services.

Custom Graphic Design Support

Global Enterprise Procurement Requirements

Procurement heads in multi-national corporations operate under strict governance. When selecting an OEM metal container tin factory, they evaluate parameters beyond basic unit costs:

  • Material Certification: Food-grade coatings (FDA compliance), BPA-free epoxy-phenolic inner linings, and RoHS compliance for alloys.
  • Dimensional Tolerances: Stamping variations must remain within ±0.15mm to support automated high-speed packing systems.
  • Corrosion Resistance: Accelerated salt spray testing to guarantee a long shelf life, particularly for water-based products or humid environments.
  • Locking Reliability: Ensuring the child-resistant mechanical lock maintains function across a minimum of 100 open/close cycles.

Macro-Industry Packaging Solutions

Our tinplate solutions span key high-growth industries:

  • Cannabis & Hemp Products: Airtight, smell-proof, and light-blocking structures that keep THC/CBD content fresh while preventing underage access.
  • Premium Confectionery & Mints: Slimline pocket tins with slide, push-button, or hinged closures that elevate brand presence in retail environments.
  • Pharmaceutical & Nutraceutical: Secure push-and-turn lids with inner seals to prevent oxidation and child exposure to active ingredients.
  • Industrial & Tech Parts: Anti-static containers designed to store high-value sensors, micro-chips, or delicate mechanical components safely.

Localization Support & Compliance Safeguards

For global businesses, adapting packaging to meet localized legal standards is critical. Non-compliance results in product recalls, customs delays, and severe liability fines. We proactively solve this by ensuring our tin structures are ASTM D3475 certified.

We work directly with recognized testing agencies to provide complete compliance certificates that simplify customs clearance in North America, Europe, and Asia-Pacific regions.

Technology Roadmap & Future Outlook

To maintain our market edge, CR Tin invest continuously in the following technology milestones:

  • Sustainable Coatings: Researching next-generation water-based lacquers and bio-derived coatings to completely eliminate petrochemical residues.
  • AI-Powered Stamping Diagnostics: Integrating computer-vision quality checks on our stamping presses to capture micro-deformations in real-time.
  • Smart Security Tins: Integrating digital NFC/RFID tags within metal tins, enabling anti-counterfeiting, supply chain tracking, and digital consumer interaction.
  • Material Down-Gauging: Formulating thinner, high-tensile tinplate sheets that match the durability of standard steel while lowering total material weight and transport emissions.

Industrial Q&A: Packaging Compliance & OEM Standards

Technical guidance and answers to common procurement questions regarding child-resistant metal tins.

What does ASTM D3475 compliance mean for metal tin packaging?

ASTM D3475 is the standard classification for child-resistant packages. It outlines specific mechanical motions (e.g., push-and-turn, squeeze-and-pull) that require a child to perform two distinct coordination actions simultaneously. Our tins undergo testing to ensure they pass these child-resistant guidelines while remaining functional for adult consumers.

Can you customize both structural sizes and external graphic designs?

Yes. We offer fully customized OEM/ODM structural designs (3D models, SLA prototyping, and unique sizes) as well as premium graphic printing options, including multi-color offset lithography, matte/gloss varnishes, embossing, debossing, and metallic inks.

How is airtightness achieved in child-resistant metal tins?

While metal-on-metal joints are not inherently hermetic, we achieve airtightness by engineering food-grade silicone, PVC, or TPE gaskets inside the lid. These seal compression paths when the lid is engaged, locking out air and moisture to preserve product freshness.

What is the typical lead time for custom tooling and production?

We typically complete 3D design drafts and mockups in 3-5 days. Custom tool creation and sampling require approximately 15-20 days. Once approved, mass production runs are completed within 25-30 days, backed by our high-capacity automated production lines.