About Shenzhen Keyuantai Industry Co. Ltd. - Adaptors Supplier in China

Shenzhen, China hosts Shenzhen Keyuantai Industry Co. Ltd., which currently lists five distinct products in its catalogue. The supplier’s offerings fall under the Adaptors and Batteries & Chargers categories and include generic Adaptors, Laptop Adaptors, Switching Power Supplies, a 5 V 5 A four‑port desktop USB Charger, and a 10 W Adaptor. Both the USB Charger and the 10 W Adaptor are classified under HS code 8504.40, covering static converters and power supplies. Materials noted in the catalogue comprise ABS or ABS/PC housings combined with copper alloy contacts or copper PCB assemblies. The product set reflects common electronic power conversion solutions for consumer and industrial devices.

These power adapters are designed for input voltages of 100‑240 V AC and provide DC outputs ranging from 5 V to 12 V, matching the specifications of many laptop and peripheral devices. The USB Charger delivers up to 5 A across four ports, a configuration frequently used for fast‑charging smartphones and tablets. The housing materials - ABS, PC, and copper alloy contacts - meet the thermal and dielectric requirements outlined in IEC 60950‑1 and IEC 62368‑1 standards. Electrical components are assembled on printed circuit boards that typically undergo RoHS compliance testing for restricted substances. The catalogue does not list any additional certifications, so buyers should verify CE, FCC, or UL approvals as required for their target markets.

Product Range and Specialties of Shenzhen Keyuantai Industry Co. Ltd.

Shenzhen Keyuantai Industry Co. Ltd.’s catalogue lists five items: a generic adaptor, a laptop‑specific adaptor, a switching power supply, a 5 V 5 A four‑port USB charger, and a 10 W adaptor. All items are housed in engineering plastics (ABS or ABS/PC) and incorporate copper alloy contacts or copper PCB assemblies, indicating a focus on compact, high‑conductivity designs. In the broader adaptor market, manufacturers typically produce units rated from 5 W to 90 W, with efficiency levels above 85 % to meet IEC 62368‑1 energy‑saving criteria. USB chargers are commonly built to USB Power Delivery (USB‑PD) or Quick Charge standards, supporting voltage tiers of 5 V, 9 V, 12 V, and current up to 5 A per port. Switching power supplies often feature isolation transformers, protective circuitry such as over‑current and short‑circuit protection, and comply with safety standards like UL 60950‑1 or its successor UL 62368‑1.

Trade and Export Information - Shenzhen Keyuantai Industry Co. Ltd.

China is a leading exporter of electronic power conversion equipment, and products classified under HS code 8504.40 are routinely shipped to North America, Western Europe, and Southeast Asian OEMs. Buyers in these regions usually require compliance with CE marking for EU markets, FCC Part 15 for the United States, and RoHS certification to ensure restriction of hazardous substances. Typical packaging involves bulk cardboard boxes or anti‑static trays, with container loading rates of approximately 12 000 to 15 000 units per 20‑ft container, depending on unit dimensions. Freight terms often follow FOB Shenzhen or CIF destination ports, and imports are subject to customs inspection for conformity with safety and electromagnetic compatibility (EMC) regulations.

Sourcing from Shenzhen Keyuantai Industry Co. Ltd. - Buyer Guidance

When sourcing from Shenzhen Keyuantai Industry Co. Ltd., buyers should request a copy of the CE Declaration of Conformity, FCC test report, and RoHS compliance certificate for each adaptor model. Samples should be evaluated for output voltage stability, ripple (< 3 % of nominal), efficiency, and temperature rise under full load, as specified in IEC 62368‑1. Verify that the ABS or ABS/PC housing meets UL 94 V‑0 flame‑retardant classification, and confirm that copper contacts are plated to meet corrosion resistance standards. Typical minimum order quantities for similar Chinese adaptor manufacturers range from 1 000 to 5 000 units, with lead times of 30‑45 days after receipt of a purchase order and approved sample.

What product categories does Shenzhen Keyuantai Industry Co. Ltd. offer?

The supplier lists Adaptors, Laptop Adaptors, Switching Power Supplies, a 5 V 5 A four‑port USB charger and a 10 W adaptor, all classified under the Adaptors and Batteries & Chargers categories.

Which HS code applies to the USB charger and the 10 W adaptor?

Both the 5 V 5 A USB charger and the 10 W adaptor are classified under HS code 8504.40, which covers static converters and power supplies.

What material is used for the product housings?

The catalogue specifies ABS housing for the USB charger and ABS/PC housing for the 10 W adaptor, with copper alloy contacts or copper PCB assemblies inside each unit.

What certifications are typically required for these types of adaptors?

Importers usually require CE marking for EU shipments, FCC Part 15 for the United States, and RoHS compliance; buyers should request these certificates from the supplier.

What technical specifications do buyers commonly verify for adaptors?

Buyers often check input voltage range (100‑240 V AC), output voltage and current (e.g., 5 V 5 A per USB port), efficiency above 85 %, ripple below 3 % of nominal, and thermal performance according to IEC 62368‑1.

What are typical minimum order quantities and lead times for similar adaptor orders from China?

Minimum order quantities generally start at 1 000 units, and manufacturers report lead times of 30‑45 days after order confirmation and sample approval.

How are these adaptors usually packaged for export?

Products are commonly packed in anti‑static trays or bulk cardboard boxes, stacked in 20‑ft containers at a volume of about 12 000‑15 000 units per container, with FOB Shenzhen or CIF terms used for shipping.

What documentation should a buyer request before placing an order?

Buyers should request the CE Declaration of Conformity, FCC test report, RoHS compliance certificate, and any applicable UL or IEC test reports to confirm safety and electromagnetic compatibility.