About Wellen Technology Co., Ltd. - Heating, Air Conditioner & Ventilation Supplier in China

China‑based Wellen Technology Co., Ltd. lists ten active products on its catalogue. The supplier is classified under the imported tier and operates in the heating, air‑conditioner & ventilation, electric components, electric power supply components and PCB sectors. Its product list consists exclusively of thermoelectric cooling solutions, including assemblies, modules, multistage units, Peltier devices and power‑generation variants. Each entry falls within the broader HS‑chapter 85 family that covers electrical machines and apparatus, commonly recorded under HS code 8541.40 for thermoelectric devices. The catalogue reflects a focus on solid‑state cooling and heat‑pumping technology rather than conventional refrigerants.

The thermoelectric items are described with generic titles such as Thermoelectric Cooling Assembly, Thermoelectric Cooling Modules and Round Peltier Module. No further technical details are provided in the source data, but the naming indicates products that convert electrical energy into a temperature differential using the Peltier effect. The range includes both single‑stage and multistage configurations, suggesting options for higher temperature lifts. All entries are grouped under the same product family, implying a coherent manufacturing capability for solid‑state cooling components. The supplier’s catalogue does not specify packaging or certification details, leaving those aspects to be clarified during trade negotiations.

Product Range and Specialties of Wellen Technology Co., Ltd.

The catalogue enumerates several thermoelectric cooling assemblies, standard Peltier modules, multistage cooling modules and a thermoelectric power‑generation unit. In the broader industry, such devices are typically built from bismuth‑telluride (Bi2Te3) semiconductor couples, with performance grades expressed by maximum temperature difference (ΔT) ranging from 30 °C to 70 °C and maximum electrical input power from 5 W to 150 W. Standard module sizes are 15 mm × 15 mm, 30 mm × 30 mm or custom dimensions, and they are often supplied with specifications such as Imax, Vmax, thermal resistance (K/W) and heat flux (W/cm²). Multistage modules combine several couples to achieve higher ΔT at the cost of increased voltage requirements, a common solution for precise temperature control in laboratory equipment or aerospace cooling. Buyers usually request compliance with CE, RoHS and UL standards, and many manufacturers provide ISO 9001‑certified quality management documentation for electronic components.

Trade and Export Information - Wellen Technology Co., Ltd.

China is a leading exporter of thermoelectric and Peltier devices, with major shipment volumes to North America, the European Union, Japan and South Korea. Exported units are generally classified under HS chapter 85, specifically HS code 8541.40, which covers thermoelectric machines and apparatus. Importers commonly require certificates such as CE marking for the EU, UL listing for the US, and RoHS conformity to ensure restriction of hazardous substances. Logistics for these electronic components often use anti‑static, moisture‑barrier packaging, and a standard 20‑foot container can accommodate several thousand small modules, depending on packaging density. Typical Incoterms used by Chinese suppliers include FOB Shanghai or CIF Los Angeles, with freight forwarding firms handling customs clearance and inspection under the destination country’s regulatory framework.

Sourcing from Wellen Technology Co., Ltd. - Buyer Guidance

When sourcing thermoelectric modules from this supplier, request detailed datasheets that list ΔT at Imax, electrical resistance, thermal resistance, dimension drawings and recommended operating voltage ranges. Verify that the supplier can provide test reports or third‑party certifications for CE, RoHS and UL, and ask for a copy of the ISO 9001 quality‑system audit if available. Samples are usually shipped in anti‑static bags with desiccant, and buyers should confirm the sample’s performance against the published specifications before placing a full order. Typical minimum order quantities for solid‑state cooling modules range from 500 to 1 000 units, with lead times of four to six weeks after order confirmation. Ensure that the packaging method (e.g., double‑layer anti‑static bags inside a sealed cardboard box) meets the buyer’s logistics and handling requirements.

What types of thermoelectric products does Wellen Technology list?

The supplier lists ten items, including Thermoelectric Cooling Assemblies, single‑stage and multistage Cooling Modules, standard Peltier Modules, a Round Peltier Module, and a Thermoelectric Power Generation Module.

Which HS code is normally applied to these thermoelectric devices?

Thermoelectric cooling and power‑generation devices are typically classified under HS code 8541.40, part of chapter 85 for electrical machines and apparatus.

What performance specifications should I ask for?

Buyers should request the maximum temperature differential (ΔT), electrical input limits (Imax, Vmax), thermal resistance (K/W), module dimensions and the semiconductor material grade (commonly Bi2Te3).