Premium Custom Phone Case Manufacturer
We engineer and manufacture high-margin OEM phone cases for global brands. From complex 2K overmolding (TPU+PC) to MagSafe integration, we deliver ±0.01mm injection tolerance and 10-day rapid tooling. No public molds. Pure custom engineering.
- Extreme Precision: ±0.005mm mold accuracy via Makino/Mikron CNC.
- Advanced Capabilities: LSR, Insert Molding & ISO Class 8 Cleanroom.
- Total Protection: Free DFM analysis & 100% mold ownership guaranteed.
Strict NDA Enforced • 24h Engineering Response • LA Local Support
Engineered OEM Phone Case Capabilities
Co-Molded Rugged Cases
Heavy-duty protection engineered via 2K overmolding (TPU + hard PC). Zero flashing, seamless material bonding.
Precision MagSafe Integration
Insert molding with ±0.005mm positioning accuracy for magnetic rings. Completely flush inner surfaces with no sink marks.
LSR (Liquid Silicone Rubber)
Premium soft-touch silicone overmolded on rigid PC skeletons. Food-grade materials with ultimate dust resistance.
IMD / IML Decoration
In-Mold Labeling technology for intricate, scratch-resistant graphics that are permanently integrated into the casing.
Hardware & Kickstand
High-tolerance CNC machining and automated assembly for integrated aluminum kickstands, lens covers, and tactile buttons.
Leather & Fabric Inserts
Precision recess molding designed for the flawless, edge-to-edge application of luxury vegan leather, Kevlar, or fabrics.
Specialty Surface Finishes
Advanced post-processing including soft-touch rubberized oil, anti-yellowing UV coatings, and custom textured patterns.
Sustainable Material Molding
Eco-conscious injection molding utilizing verified PCR (Post-Consumer Recycled) plastics and biodegradable polymers.
40,000m² Precision Tooling & Injection Facility
- 130+ Advanced Injection Machines: Sumitomo & Haitian (50T–800T) optimized for complex 2K overmolding and insert molding.
- Extreme Tooling Precision: ±0.005mm accuracy via Makino/Mikron CNCs with strict CMM quality inspection.
- ISO Class 8 Cleanroom Assembly: Medical-grade dust-free environments essential for optical-clear PC and LSR silicone.
- End-to-End Control: Seamless transition from rapid tooling (10 days) to mass injection, UV coating, and final packaging.
Capacity Engineered for Global Demands
Why Top Brands Trust Our Injection Molding
Ironclad IP Protection
Strict NDAs enforced before we receive your CAD files. We operate closed-loop manufacturing to guarantee your proprietary designs never leak.
100% Mold Ownership
Once your tooling is fully paid, the molds belong entirely to you. No hidden retention clauses, giving you total supply chain freedom.
Free DFM & Moldflow Analysis
Our tooling engineers preemptively eliminate sink marks, warping, and ejection issues, optimizing your structural design before steel is ever cut.
ISO Certified Quality
Audited and certified to ISO 9001, 14001, and 13485 standards. We meet the rigorous compliance demands of medical and tier-1 tech hardware.
FULL-CYCLE OEM SERVICES
End-to-End Phone Case Engineering
Polymer Selection & Resin Composites
We engineer durable phone cases utilizing premium Bayer/Covestro PC, BASF TPU, and advanced resin composites. Our material science team ensures optimal drop protection, UV resistance, and environmental compliance.
- High-Clarity Anti-Yellowing PC
- Shock-Absorbing TPU & LSR Silicone
- Eco-Friendly PCR & Biodegradable Options
Your imagination is the only limit.
High-end injection molding starts with flawless tooling. Our CNC machining centers achieve an industry-leading insert positioning accuracy of 0.005mm, guaranteeing seamless alignment and zero-flash parting lines.
- ±0.005mm Insert Positioning Accuracy
- Free DFM & Moldflow Analysis
- 10-Day Rapid Prototyping (T1)
Features as unique as your brand.
Solve intricate hardware challenges through dual-injection (2K) and structural overmolding. We seamlessly bond rigid PC backplates with soft TPU bumpers for military-grade protection.
- Seamless TPU + Hard PC Bonding
- Embedded MagSafe Magnetic Rings
- Integrated Aluminum Kickstands
Precision and speed are our promises.
Elevate the user experience with high-end post-processing treatments. We integrate luxury tactility using standard coatings or specialized wood material integrations like acacia and bamboo (strictly excluding olive wood for better durability) bonded with resin composites.
- Soft-Touch Rubberized Oil & UV Coatings
- Acacia & Bamboo Wood Resin Integrations
- In-Mold Decoration (IMD/IML)
Make the first impression count.
We offer complete downstream solutions beyond manufacturing. From custom blister packs to eco-friendly kraft boxes, we assemble and label your products ready for direct retail distribution.
- Custom Blister & Kraft Box Assembly
- FNSKU Barcode & Retail Labeling
- Direct Shipping to 3PL & FBA Warehouses
Ready to Initiate Your Custom Tooling?
Submit your 3D CAD files today. Our engineers will provide a comprehensive DFM analysis and tooling quotation within 24 hours. Strict NDA applied by default.
One-stop Solutions
As a premium phone case factory, YG provides one-stop solutions that cover every aspect of your project.
From innovative design and prototyping to mass production and quality assurance, our services will make your business more profitable.
Design the Case
Our team designs the case based on your demands. The design fee is USD 500, which could be returned after you kick off tooling.
Material Selection
During the design phase, we help select suitable materials, taking into account your preferences and environmental concerns.
Prototype Making
We make a prototype to verify the structure and appearance. The lead time is about 7 days and cost is about USD 400.
Refinement & Testing
We refine and re-test the prototype if necessary, ensuring it meets all design specifications.
Mold Making
Once the design is finalized, we kick off the tooling, which takes about 35 days.
Packaging Design
We work on packaging design, create samples, and seek your confirmation to ensure the packaging meets your standards.
Golden Sample
We require your sign-off on the golden sample before proceeding to mass production.
Mass Production
The lead time for mass production is approximately 15 days.
Quality Assurance
Before delivery, we perform a final inspection to ensure all products meet the agreed-upon standards and specifications.
Logistics & Shipping
We coordinate logistics and shipping arrangements to ensure timely and secure delivery of your products.
Grateful for Their Trust
In our entire product supply chain, YuanGuan is one of our strategic partners in China. Here, we strongly recommend this company to all friends in the industry.”
YG gets it, at each stage of our startup project he always acted as a partner in our entrepreneurship, never "just a vendor".
I am not just happy to work with Alan as my partner, I am truly and deeply grateful for it."
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FAQ
YG places great importance on the protection of our clients’ intellectual property. All designs and custom solutions are safeguarded by strict confidentiality agreements to ensure the security of your ideas and products.
How do you handle intellectual property protection?
YG places great importance on the protection of our clients’ intellectual property. All designs and custom solutions are safeguarded by strict confidentiality agreements to ensure the security of your ideas and products.
Can we visit your production facilities?
We welcome clients to visit our production facilities to better understand our manufacturing processes and quality control measures. Please contact us in advance to schedule a visit.
How do you ensure the sustainability of your supply chain?
We are committed to sustainable development, choosing eco-friendly materials and partnering with suppliers that meet environmental standards to ensure the sustainability of the entire supply chain.
How is your product design service charged?
Our design services are fee-based. However, if you choose to proceed with mold creation through us, we will refund the full design fee. This policy is designed to offer our clients a flexible and cost-effective solution for both design and production.
Do you support rapid design iterations?
YG has over 100 professional designers providing comprehensive design services from concept to final product, including 3D modeling, industrial design, structural design, and electronic design. We can quickly respond to your feedback.
How do you respond to sudden changes in production demands?
With over 100 professional engineers and 600 skilled operators, YG can swiftly respond to order changes and urgent demands, adjusting production schedules in the shortest time possible.