Bulk Memory Card For Phone
About bulk memory card for phone
Where to Find Bulk Memory Card for Phone Suppliers?
China remains the global epicenter for memory card manufacturing, with Shenzhen-based suppliers dominating production of microSD and TF cards tailored for smartphones. The city's electronics ecosystem enables tightly integrated supply chains—spanning NAND flash wafer sourcing, controller IC procurement, and final packaging—allowing rapid scaling for bulk orders. Key advantages include access to tier-1 component suppliers within 20km, enabling lead times as short as 7–15 days for standard configurations.
Suppliers in this cluster specialize in high-volume output, leveraging automated testing rigs and multi-line assembly facilities to maintain consistency across tens of thousands of units per month. Most offer both branded (e.g., OEM Samsung, Sandisk-compatible) and generic solutions, with pricing optimized through economies of scale. Buyers benefit from flexible packaging options—including blister packs, clamshells, or loose bulk—and direct factory pricing that reduces intermediary markups by 20–40% compared to regional distributors.
How to Choose Bulk Memory Card for Phone Suppliers?
Effective supplier evaluation requires systematic assessment across technical, operational, and transactional dimensions:
Quality Assurance Protocols
Prioritize suppliers with documented quality management systems. While formal ISO 9001 certification is not universally listed, consistent on-time delivery rates above 96% and reorder rates exceeding 30% indicate reliable process control. Request sample batches to verify read/write speeds, endurance ratings, and compatibility with mainstream Android and iOS devices.
Production & Customization Capacity
Assess scalability through available product range and order flexibility:
- Minimum Order Quantities (MOQs) vary from 1 to 100 pieces, with lower MOQs suitable for sampling and higher volumes (50–100+ units) required for cost-effective bulk procurement
- Capacity customization up to 128GB is widely supported, with some suppliers offering preloaded content or custom formatting services
- Branding options include laser engraving, custom labels, and private packaging—critical for resellers and B2B clients requiring white-label solutions
Transaction Reliability Indicators
Use platform-verified metrics to mitigate risk:
- On-time delivery performance: Target suppliers with ≥96% fulfillment rates
- Response time: Sub-6 hour response indicates strong customer service infrastructure
- Reorder rate: Rates above 30% reflect customer satisfaction and product reliability
- Revenue transparency: Suppliers reporting $100,000+ annual online revenue typically have established operations and inventory stability
What Are the Best Bulk Memory Card for Phone Suppliers?
| Company Name | Main Products (Listings) | Online Revenue | On-Time Delivery | Reorder Rate | Avg. Response | Min. Order Flexibility | Customization Options |
|---|---|---|---|---|---|---|---|
| Shenzhen Infinite Technology Co., Ltd. | Memory Cards, USB Drives, Power Banks | US $270,000+ | 96% | 16% | ≤3h | 20–50 pieces | Color, logo, capacity, packaging, label |
| Iotech (shenzhen) Company Limited | Memory Cards (259), USB Flash Drives | US $140,000+ | 100% | 36% | ≤6h | 100 pieces/packs | Not specified |
| Shenzhen Shine Technology Co., Ltd. | Memory Cards (105), USB Drives | US $70,000+ | 100% | 18% | ≤3h | 1–10 pieces | Not specified |
| Shenzhen Pengda Technology Limited | Memory Cards (136), USB Drives | US $30,000+ | 100% | 50% | ≤12h | 50 pieces | Not specified |
| Iotech (shenzhen) Company Limited | Memory Cards (106), USB Drives | US $10,000+ | 100% | <15% | ≤15h | 1–100 packs | Not specified |
Performance Analysis
Shenzhen Infinite Technology stands out for customization depth and high transaction volume, despite a slightly lower reorder rate. Iotech (Shenzhen) appears twice in the dataset with divergent performance profiles—one showing strong reorder behavior (36%) and another below 15%—highlighting the importance of verifying specific product lines rather than company-wide metrics. Shenzhen Pengda Technology demonstrates exceptional customer retention (50% reorder rate), suggesting consistent product quality and service alignment with buyer expectations. Buyers seeking low MOQs should prioritize Shenzhen Shine Technology, which accepts single-piece orders, while those prioritizing scale may favor Iotech’s 100-piece bulk model with proven delivery reliability.
FAQs
How to verify bulk memory card supplier reliability?
Cross-reference on-time delivery records (>96%), response speed (≤6 hours), and reorder rates (>30%) as proxies for operational stability. Request sample units to test write speeds, device compatibility, and physical durability. Confirm whether products use original-grade or recycled NAND flash through third-party benchmarking tools like CrystalDiskMark.
What is the typical lead time for bulk orders?
Standard orders of 100–500 units typically ship within 7–15 days after payment confirmation. Larger quantities (1,000+ units) may require 20–30 days depending on stock availability and customization needs. Air freight adds 5–7 days for international delivery.
Do suppliers support private labeling and packaging?
Yes, select suppliers such as Shenzhen Infinite Technology offer full branding services including custom logos, color schemes, packaging design, and capacity labeling. Minimum thresholds for customized packaging typically start at 500 units.
Are free samples available?
Some suppliers provide free micro-samples (e.g., 1–2 units) for evaluation, particularly when future bulk orders are anticipated. Others charge nominal fees ($0.33–$2.25) to cover handling and materials, often refundable upon order placement.
What are common payment terms for first-time buyers?
New buyers typically face 100% upfront payment via T/T, PayPal, or platform-secured transactions. Established relationships may qualify for 30% deposit with balance due before shipment. Escrow services are recommended for initial large-volume purchases to ensure delivery compliance.









