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Over 10 years of expertise in manufacturing high-quality USB cables, power banks, PD chargers, TWS earphones, and wireless charging solutions. Trusted by global brands with ISO, MFi, BSCI, and WCA certifications.
A trusted subsidiary of the Sunny Group with deep roots in electronics manufacturing since 1991.
Sihitek is a subsidiary of the Sunny Group, established in Hong Kong in 1991. With over three decades of experience in electronics manufacturing, we launched operations in Vietnam in 2011 and have since expanded our footprint with dedicated facilities for OEM/ODM electronic accessories.
Our Siyuan VN facility in Hà Nam, established in 2019, focuses on high-volume production of USB cables, car wireless chargers, and TWS earbuds. We operate a 6,600㎡ factory with full SMT, injection molding, packaging, and cable assembly lines.
As an MFi-certified factory, we comply with ISO14001:2015 and ISO9001:2015 standards. Our production lines are audit-ready for BSCI, SQP, WCA, and Walmart compliance, ensuring ethical and scalable manufacturing for US and European retailers.
High-quality electronic accessories designed for performance, durability, and global compliance.
Fast-charging, braided durability, MFi & USB-IF certified. Available in 1m, 2m, and 3m lengths.
OEM/ODM SupportedGaN-based 30W/65W PD chargers with multi-port support. Compact design with global voltage input.
Retail Audit Ready10,000mAh to 20,000mAh with QC3.0 & PD input/output. Slim design with LED indicators.
High-Capacity OptionsBluetooth 5.3, ANC, touch control, 30hr playtime. Custom branding and case design.
Custom Firmware AvailableQi-certified 15W fast charging. Compatible with iPhone, Samsung, and Android devices.
Qi CertifiedAir vent or dashboard mount with magnetic alignment. Supports 10W fast charging.
Auto-Sensing Mount6-in-1 USB-C hub with HDMI, SD/TF, USB 3.0, and PD charging. Aluminum housing.
Multi-Port ExpansionUniversal 5-in-1 travel adapter with USB ports. Supports EU, US, UK, AU, and CN plugs.
Global CompatibilityFull turnkey SMT line with high-precision placement and AOI inspection.
High-Volume ProductionFull-service packaging including blister packs, gift boxes, and custom labels.
Retail-Ready PackagingPrecision plastic parts for chargers, earphone cases, and accessories.
In-House ToolingUSB-powered LED strips, desk lamps, and portable lighting with smart control.
Smart Lighting SolutionsWe combine local expertise with global standards to deliver reliable, scalable manufacturing.
Five subsidiaries in Hanoi and Hà Nam with full control over production, quality, and logistics. Local sourcing maximizes cost efficiency and supply chain resilience.
MFi, ISO9001, ISO14001, BSCI, WCA, and SQP compliant. Our factories pass major retailer audits including Walmart and Target.
Dongguan R&D center enables rapid prototyping and product development. Fast turnaround from concept to mass production.
Sihitek is based in Vietnam with five subsidiaries in Hanoi and Hà Nam. Our R&D and procurement center is in Dongguan, China, and our global sales office is in Shenzhen. The parent group has an office in Hong Kong at Room 803, Chevalier House, Tsim Sha Tsui.
Yes, Sihitek is an MFi (Made for iPhone/iPad) certified factory, ensuring full compliance with Apple’s standards for Lightning cables and accessories.
We are ISO9001:2015 and ISO14001:2015 certified, MFi certified, and audit-ready for BSCI, WCA, SQP, and Walmart. Our factories meet global compliance and sustainability standards.
Absolutely. From concept and design to tooling, SMT, assembly, packaging, and shipping, we offer full turnkey OEM/ODM services with in-house capabilities across all stages.
MOQ varies by product type and customization level. For standard items, MOQ starts at 1,000 units. Contact us for a tailored quote based on your requirements.
Ready to start your OEM/ODM project? Reach out to our team for a fast quote and product sampling.
Your information is kept confidential. We respond within 24 hours.
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