Custom Extracts Supplier & Factory

Certified Child-Resistant Tin Packaging Solutions Engineered for the Global Botanical, Concentrate, and Pharmaceutical Extract Industries.

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.

As a key partner to some of the world's most recognizable brands in botanical extracts, pharmaceutical products, and premium edibles, CR Tin specializes in bridging the gap between rigorous safety compliance and high-impact branding. Our continuous engineering efforts guarantee that our customers stay ahead of evolving local and international legislation without sacrificing packaging aesthetics or consumer ease-of-use.

CR Tin Manufacturing Facility
2016
Initiated development of CR tin structures to guarantee customizable packaging capability
12+
Different certified CR tin structures ensuring immediate, compliant market deployment
8+
Advanced automated production lines optimizing mass manufacturing & QA consistency
30
Days average turnaround from unique design concept to mold validation & production

Our Core Advantages

Why the world’s leading extract manufacturers and brands trust CR Tin to secure their supply chain and satisfy compliance requirements.

Various CR Tin Solutions

Various CR Tin Options

More than 12 different standardized and certified CR tin structures instantly available to match your specific container size and aesthetic goals.

Professional R&D Team

Strong R&D Team

Free custom CR structural design services providing structural rendering, 3D printing proofing, and prototyping prior to mold tool deployment.

Strict Quality Assurance

Rigorous Quality Control

Advanced in-house automation, precision calibration jigs, and manual inspection protocols verifying consistent structural safety metrics.

Pioneering Safe & Sustainable Metal Packaging for Over 8 Years

The global extract market is transitioning from generic single-use plastics to sustainable, premium metallic barrier packaging. As states and nations tighten packaging restrictions for extract products, concentrates, and botanical derivatives, brands must adapt. At CR Tin, we fuse advanced locking mechanisms with classic metal tin design to resolve this industrial challenge.

Whether you require airtight properties to prevent volatile terpene degradation, child-resistant slides for gummy applications, or multi-button push systems for medical concentrates, our engineering group works directly with you. Decades of collective metalwork experience enable our team to provide deep packaging expertise, fresh design perspectives, and consistent high-tolerance quality across high-volume production orders.

Custom Industrial Metal Engineering

Custom Packaging Engineering System

Detailed structural classifications, factory financial advantages, quality verification steps, and custom solutions.

Certified CR Variety

  • 8 years of design experience
  • Conforms to ASTM D3475 standards
  • Cohesive family structure design
  • Cost-effective locking designs

Optimized Factory Cost

  • Simplified structures to reduce cost
  • In-house automated lines
  • Direct procurement of certified parts
  • Integrated fabrication reduces waste

Quality Guarantee

  • Rigorous accessory verification
  • Automated lines ensure precision
  • End-line visual and mechanical QA
  • SGS & Third-party certified reports

Custom OEM Support

  • Diverse base shapes for styling
  • Bespoke mechanism engineering
  • Advanced 3D plastic samples
  • Creative litho printing options
Engineered Child Resistant Lock Mechanism

Global Compliance: Navigating ASTM D3475 & CPSC Standards

Extract brands face dynamic regulatory requirements. In the United States, child-resistant packaging must comply with the Poison Prevention Packaging Act of 1970 (PPPA) as outlined under 16 CFR § 1700.20. Our child-resistant tin packaging structures are engineered to undergo ASTM D3475 testing protocols. This process involves testing panels consisting of 50-100 children (aged 42-51 months) and a comparison group of 100 seniors (aged 50-70 years) to verify the child-resistant integrity and senior-friendliness of the locking mechanism.

CR Tin's designs utilize various physical actions to prevent child access: double-push buttons, squeeze-and-slide panels, push-down-and-turn lids, and internal latch catches. By shifting your product packaging from single-use plastics to certified steel tins, you address child safety regulations while enhancing brand presentation and sustainability.

Precision Manufacturing: Automation & Production Flow

High-volume manufacturing requires precise dimensional consistency to ensure child-resistant functionality. Tinplate (electrolytic tin-coated steel sheet) has minimal tolerances for dimensional variation. To manage these tight tolerances, CR Tin has equipped our factory with over eight automated production lines.

Each step in our manufacturing workflow—including printing, metal slitting, stamping, body forming, lock assembly, and food-safe lining insertion—is monitored by automated optical inspect (AOI) sensors and dedicated QA technicians. Automating the assembly of the lock mechanisms reduces variance, guaranteeing that every single tin conforms to certified safety specifications.

Automated Production Floor
Airtight Gasket Insertion Station

Product Protection: Airtight Seals & Terpene Retention

Volatile compounds such as terpenes, cannabinoids, and natural esters are sensitive to moisture, oxidation, and light exposure. Standard metal boxes do not provide airtight protection, leading to product degradation over time. Our engineering team addresses this by designing specialized gaskets using food-grade silicone and thermoplastic elastomers (TPE).

These gaskets sit inside precision-engineered recess channels in our hinged and screw-top tins. When closed, the child-resistant locking mechanism applies pressure to compress the gasket, forming a gas-tight barrier that seals in aromas and preserves product freshness. These airtight child-resistant tins extend product shelf-life and protect product potency from distribution to retail purchase.

Eco-Conscious Packaging: The Circular Economy of Tinplate

Modern consumers and corporate sustainability programs encourage a transition away from single-use plastics. Metal tinplate is a highly sustainable packaging material due to its infinite recyclability without degradation of structural properties. Magnetic sorting simplifies recovery from waste streams, ensuring high recycling rates worldwide.

CR Tin supports the circular economy by using recycled content and optimizing sheet layouts to minimize metal waste. Our paints and varnishes are food-safe, non-toxic, and free of VOCs (Volatile Organic Compounds), matching the purity and quality of your botanical extracts inside.

Sustainable Metal Packaging Materials

Technological Roadmap & Future Outlook

Innovation is a continuous process at CR Tin. Explore the future developments in child-resistant packaging technology.

RFID & NFC Smart Integration

We are prototyping smart labels and active NFC chips embedded directly within child-resistant tins. This enables brands to verify product authenticity, track batches throughout the supply chain, and share lab analysis (COA) certificates with consumers through a simple smartphone scan.

100% PCR & Zero-Carbon Steel

By partnering with steel mills utilizing electric arc furnace (EAF) systems, we aim to offer 100% Post-Consumer Recycled (PCR) tinplate. This initiative reduces the carbon footprint of packaging production by up to 60%, supporting corporate sustainability initiatives.

Next-Gen Compliant Closures

Our R&D group is engineering tool-free closure systems that remain senior-friendly while offering child-resistant protection. These upcoming mechanisms will accommodate users with arthritis and dexterity challenges while meeting ASTM standards.

Frequently Asked Questions

Expert technical insights regarding certifications, design configurations, tooling schedules, and custom ordering details.

Q1: What certifications do CR Tin's child-resistant boxes hold?
Our packaging designs have undergone testing to meet ASTM D3475 and US CPSC 16 CFR 1700.20 standards. We provide official test documentation and certification reports to clients for regulatory compliance verification.
Q2: Can you design custom sizes and lock shapes for specific products?
Yes. We offer design support including 3D structural rendering and 3D plastic printing. This allows you to verify form, fit, and lock mechanics prior to purchasing custom production tooling.
Q3: How do you ensure airtight seal integrity for extract products?
We integrate food-grade silicone or TPE gaskets inside the lid recesses. These gaskets are compressed when the child-resistant lock is engaged, creating a barrier that prevents airflow and retains volatile terpenes.
Q4: What is the typical lead time for new custom projects?
A new project typically takes around 30 days. This includes 3D file confirmation, mold design, prototyping, sample approval, and final tooling adjustments. Mass production usually requires 25-30 days depending on order volume.
Q5: What are the minimum order quantities (MOQ) for custom tins?
Our standard MOQ for custom lithography-printed child-resistant tins starts at 10,000 units. For generic, unprinted tins with custom labeling, we can accommodate smaller production runs. Please contact our sales team to discuss your project requirements.
Q6: How do you support international shipping and customs clearance?
We work with international logistics providers to coordinate shipping under DDP, CIF, FOB, or EXW terms. We provide customs-compliant documentation, HS coding, and certification papers to ensure smooth customs clearance.