OEM Tin Case Suppliers & Factory

High-End Custom Child-Resistant Metal Packaging Solutions for Global Markets

Company Profile & Engineering Excellence

CR Tin (Andylots Tin Box Packaging Co.,Ltd) represents the pinnacle of professional supply chains for child-resistant metal packaging. As a streamlined, single-source manufacturer, we integrate child-resistant lock design, bespoke mold fabrication, fast-turnaround sampling, rigorous compliance testing, and highly automated mass production. Our dedication to compliance and functional aesthetics began in 2017 when we pioneered the engineering of certified locking tins.

Over nearly a decade of research, prototyping, and industry engagement, CR Tin has developed a catalogue of over 70 certified child-resistant lock designs. Our proprietary closures satisfy all major global packaging standards, enabling cannabis, pharmaceutical, and consumer brands to implement child-safety locks across diverse product formats. Today, we supply custom configurations to established brands worldwide, ensuring regulatory peace of mind and distinct retail shelf presence.

CR Tin Factory Infrastructure and Assembly Line
2016
Pioneering R&D
Initiated child-resistant tin development to deliver fully customizable, compliance-grade solutions.
12+
Certified Structures
Pre-certified locking structures tested to meet market criteria immediately, bypassing lengthy validation paths.
8+
Automated Lines
High-speed robotic production machinery maintaining precise tolerances and high-volume consistency.
30 Days
Rapid Prototyping
Comprehensive cycle from custom design, tooling creation, certification, to finished production run.

Core Advantages of Choosing CR Tin

Aligning with a specialized supplier ensures cost efficiencies, quality assurance, and compliance.

Various Custom Child Resistant Tin Cases
Extensive Certified Lock System: We supply 12+ pre-tested, certified mechanisms that balance adult ease-of-use with high child resistance, significantly accelerating time-to-market.
In-House Design and Prototyping: Our design engineers generate custom 3D files, rendering photorealistic visualization tools, and 3D plastic samples for product testing before mold fabrication.
Rigorous Automated QC: With in-line vision inspection and dedicated automated testing jigs, we eliminate manual assembly variation to secure zero-defect performance.

Engineered Capabilities & Process Optimization

Discover how our production facilities, supply relationships, and custom engineering support global brands.

 Certified Compliance Systems

We hold certified Child Resistant structures compliance-tested against US 16 CFR Title 1700.20 protocols. Over years of focused metal packaging development, we have established ASTM standards across our product line, ensuring that from entry-level mint tins to premium flip lids, our designs protect kids while ensuring convenient access for adults and seniors.

 Factory-Level Cost Efficiency

Our optimized tooling structures lower raw material wastage and assembly time. By maintaining deep relationships with local premium accessory manufacturers (silicone liners, airtight gaskets, custom plastic inserts) and running eight high-speed automated production lines, we reduce unit cost boundaries and pass those structural savings directly to our partners.

 Stringent Quality Assurance

Quality control occurs at every layer of fabrication. We run in-house metallurgical testing on our tinplate, deploy dimensional cameras on stamping lines, and perform final post-assembly functional tests. Additionally, we welcome third-party pre-shipment inspection firms (SGS, TUV, Intertek) to verify product batches, providing clear transparency and peace of mind.

 Comprehensive Design Customization

Brands require bespoke packaging to support their positioning. We assist in modifying sizing, introducing embossing or debossing, optimizing airtight liners, and applying high-end finishes like matte metallic coatings, spot UV, and soft-touch varnishes. From 3D architectural mockups to rapid SLA prints, we bring your concepts to life.

The Strategic Value of Custom Tin Packaging

In consumer packaged goods (CPG), packaging serves as both a functional container and a key driver of brand value. Custom metal tin boxes have emerged as the preferred premium alternative to single-use plastics, driven by consumer demand for sustainability and strict regulatory safety standards. This whitepaper analyzes the advantages of sourcing metal packaging from specialized Chinese manufacturers and details the engineering standards, market dynamics, and operational practices that govern this sector.

1. The Chinese Manufacturing Edge in Tinplate Production

China's dominance in the tinplate packaging sector is built on integrated industrial clusters, advanced logistics, and automated tooling capabilities. Regions like Guangdong and Zhejiang contain complete supply chains, from steel mills and precision chemical printers to automated factories. This geographical proximity reduces material transport costs and shortens lead times.

Additionally, Chinese factories invest heavily in automated stamping, sensor-based quality checks, and custom mold fabrication. These technological systems keep dimensional variations below 0.1mm, ensuring consistent lid closures and tight fits. In a market where a millimeter difference can cause compliance issues, this precision is a significant advantage.

2. Global Regulatory Landscape: Deciphering Child-Resistant Testing Standards

For sectors like cannabis, pharmaceuticals, and concentrated chemicals, child-resistant packaging is a legal requirement. In the United States, the Consumer Product Safety Commission (CPSC) and the Poison Prevention Packaging Act (PPPA) enforce strict test protocols under 16 CFR Title 1700.20. Under this standard, packaging is tested by panels of children (aged 42–51 months) and senior adults (aged 50–70 years) to ensure it resists access by kids while remaining accessible to adults.

Developing a metal closure that meets these requirements is challenging. While plastics are flexible, metal tins require precise locking slots, spring-loaded tabs, or multi-step mechanisms (such as push-turn or squeeze-and-slide closures). CR Tin designs rely on high-grade spring steel and rigid engineering components to prevent children from opening the tins, while allowing adults to open them easily.

3. Material Optimization: Sustainability and Coating Tech

Tinplate is a highly sustainable packaging choice. Unlike plastics, which degrade during recycling and often end up in landfills, tinplate is 100% recyclable without any loss of quality. The magnetic properties of steel make it easy to separate from waste streams, supporting a circular economy.

For food and medicinal applications, we apply specialized food-safe lacquers. These protect the tinplate from corrosion caused by moisture or acids and act as a barrier to preserve product freshness. Our coatings comply with FDA, EU, and LFGB food contact regulations, ensuring chemical neutrality and safety.

4. Supply Chain Excellence and Audits

Sourcing packaging internationally requires reliable suppliers. Global enterprise buyers look for factories that meet strict social, safety, and ethical criteria. CR Tin undergoes regular facility audits covering quality management, safety, and fair labor practices.

We maintain tracing protocols from raw steel coils to the finished boxes, ensuring quality assurance. This documentation helps brands track materials, verify compliance, and secure reliable supply chains for global markets.

Target Markets & Technical Solutions

Customized packaging configurations tailored to diverse regulatory and market demands.

Cannabis, Edibles & Pre-Rolls

Our certified child-resistant tins feature integrated silicone gaskets, providing airtight seals that preserve freshness, lock in aromas, and prevent dryness, keeping products fresh from facility to consumer.

Confectionery & Mints

Sleek pockets-sized tins with sliding, hinged, or push-button lids are ideal for mints and lozenges. Embossed details and high-quality printing create a premium feel that enhances shelf appeal.

Pharmaceuticals & Nutraceuticals

Durable, child-resistant metal packaging helps protect sensitive contents from crush damage, moisture, and light, ensuring safety and quality for medical products.

Frequently Asked Questions

Get clear answers on compliance, tooling, materials, and international logistics.

What certifications do CR Tin's child-resistant boxes carry?
Our child-resistant designs are tested to meet US 16 CFR Title 1700.20 and ASTM D3475 standards. We supply certification documents and testing reports to help speed up your brand's regulatory approvals.
What is the typical minimum order quantity (MOQ) for custom tins?
For standard shapes with custom printing, our MOQ is 10,000 units. For fully customized sizes requiring new tooling, the MOQ generally starts at 20,000 to 30,000 units depending on shape complexity.
Are the materials and inks food-safe?
Yes. We use premium tinplate coated with FDA-approved, BPA-free, and REACH-compliant protective lacquers, making them suitable for direct food and pharmaceutical contact.
Can you supply custom internal trays or inserts?
We offer a range of interior options, including biodegradable paper pulp trays, post-consumer recycled plastics, EVA foam, and silicone inserts to keep your products secure.
How does the development timeline work for custom shapes?
We complete 3D structural drawings in 3–5 days, 3D printed samples in 7 days, and prototype metal tooling in 15–20 days, followed by mass production tooling within 20–25 days.