Sendtin Case is a leading manufacturer of phone cases, tablet cases, and custom case solutions, based in Huizhou, China. With over 10 years of expertise, advanced manufacturing technology, and a stringent quality management system, we have produced more than 1000 unique plastic cases and served renowned global brands.
Our one-stop OEM/ODM services cover everything from concept design, mold making, and injection molding to packaging and worldwide delivery. We provide customized solutions that meet the highest quality standards and ensure customer satisfaction.
Leveraging deep industry experience and cutting-edge customization technology, we deliver tailored solutions for global brands and retailers.
Sendtin Case — turning your vision into reality.
Years experience on various phone case R&D and manufacturing.
Sets of professional process facilities for phone case and tablet case manufacturing
Sqm modern factory : mold, injection, leather, assembly plants,and warehouse.
Pieces various phone cases and tablet cases annually production capacity
Our OEM phone cases are designed to deliver both dependable protection and brand consistency. With diverse materials, styles, and finishes available, we create customized solutions tailored to your business and market demands.
Once we receive your RFQ, 3D CAD flle or real sample , we'll proceed with the quotation process.
After receiving the mold deposit, our experienced engineering team develops the mold in-house. We conduct multiple trial runs and fine-tuning to ensure precision, stable production, and consistent quality across every batch.
To speed up the sampling process, we first use previous molds to confirm colors and patterns. By detecting and resolving issues in advance, we guarantee faster fine samples and a shorter timeline to your gold sample approval.
We run relative durability and compatibility tests to ensure case quality.
Mass production starts after GS approval, and go through on site and final inspection for defects.
We offer tailored branding and packaging solutions—from custom logos and labels to premium retail packaging—helping you build a stronger brand image and deliver a better unboxing experience for your customers.
We specialize in brand-specific custom designs for Apple and Samsung protective cases, offering tailored mold development and design services to create products that perfectly match your business needs. In addition, we have multiple proven public molds available to help speed up development when needed.
With 10+ years of experience and over 1,000 protective case projects, we deliver fast and efficient 3D design and optimization. We provide multiple design solutions and complimentary custom designs based on your images or samples. Our deep expertise ensures market-ready, tailored products that accelerate your time-to-market.
From raw materials to finished goods, each process is closely monitored to ensure consistent quality, reliability, and compliance with international standards.
Our fully integrated operation – from design intake to final shipment – creates a seamless, turnkey process. This eliminates fragmented workflows, minimizes delays and coordination efforts, significantly reducing lead times and overall production costs. Enjoy faster turnaround and a more cost-effective, reliable supply chain from concept to delivery.
Their product quality is truly impressive, with an attention to detail that is second to none. I wholeheartedly recommend Sendtin Case for their excellent service.
"Sendtin Caseは、卓越したクラフトマンシップと確かな技術で、私たちのアイデアを常に高品質な製品へと実現してくれます。 細部への徹底したこだわりと、私たちと共有するビジョンへの献身には、深い信頼を寄せています。 信頼できるパートナーとして共に歩めることを誇りに思います"
"Partnering with Sendtin Case has been a game changer. Their focus on detail, exceptional craftsmanship, and dedication to customer success make them an indispensable partner we are proud to work with."
What This Top 10 List Reveals — Insights from Sendtin Case (OEM/ODM Manufacturer Behind Top Brands) Blog Content: As of December 2, 2025, Amazon’s iPhone case category has become fiercely competitive. Top-selling cases reveal what consumers truly value: protection, functionality, and premium feel. Below, we analyze the Top 10 iPhone cases on Amazon, exploring their […]
Every year, the premium phone accessories market moves in cycles. Last year, when the S25 Ultra launched, most suppliers rushed in early, prototypes were locked, molds were finalized, and the shelves filled quickly.If you weren’t fast enough, you probably had no chance to enter that wave. But this year, the situation flips. The S26 Ultra […]
Kevlar®—technically an aramid composite—has long been associated with aerospace components, military protection, racing gear, and industrial textiles. It earns this legendary status for its extreme tensile strength, impressive toughness-to-weight ratio, and resistance to heat, wear, and fatigue. When woven into ultra-fine cloth and cured with composite resins, Kevlar forms a lightweight shell that is flexible […]
