Heating Elements From R&D To Serial Production
Jinwei focuses on the R&D, production and sales of heating elements — defrost heaters, oven heating elements, silicone rubber heaters and heating wire. With a global industrial layout, we are famous at home and abroad.
CQC · CE · EMC · CE-LVD Certified — OEM / ODM Welcome
Three Core Families, Every Thermal Need
From Bench Test To Serial Production
Every Jinwei heating element starts in our own workshop and ends on an automated line. Design, sampling, prototyping and serial production happen in the same 8,000 m² facility — so specification changes never leave the building.
Full Equipment Upgrade
Powder filling machines, pipe shrinking machines and pipe bending machines — fully upgraded in 2021.
High-Temperature Annealing Furnace
Large annealing furnace introduced in 2022 to meet the demands of domestic and international customers with consistent material performance.
In-House Mold Workshop
In-house mold workshop plus a dedicated R&D team and strict QC at every production stage.
Fully upgraded lines for powder filling, pipe shrinking and pipe bending.
Specific persons in charge of each part of production — from raw material purchase to assembly.
High quality material used for each production run, never recycled compounds.
Stable, experienced production team — exported to Europe, America, Japan and Southeast Asia.
Five Stages, Full Traceability
Raw Material
Incoming inspection of tubes, wires and compounds — high quality virgin material only, never recycled.
Forming
Cutting, shaping and winding on automated lines — full equipment upgrade completed in 2021.
Annealing
High-temperature annealing furnace (2022) for consistent material performance in every batch.
Assembly
Dedicated assembly stations — specific persons in charge from raw material purchase to assembly.
Inspection & Delivery
100% electrical and dimensional inspection before export packaging and delivery.
Avg. Daily Output 15,000 Pcs — Exported to Europe / America / Japan / Southeast Asia
Certified For Global Markets
China Quality Certification
TH20BP-045
CE Conformity
TH20LP-101
Electromagnetic Compatibility
TH2201108-C01-C01
Low Voltage Directive
TH2201108-C02
Six Reasons Buyers Stay
Flexible Price
The price is negotiable — it can be changed according to your quantity or package.
Sample & MOQ Flexibility
Samples available and a low MOQ, so you can validate quality before committing to volume.
OEM & ODM Welcome
Custom heating solutions engineered to your drawings and specifications.
High Quality Control
Strict quality control system with specific persons in charge of each part of production.
New Virgin Material
High quality material used for each production run, never recycled compounds.
Experienced Team
Stable, experienced production team with an average daily output of about 15,000 pieces.
Tech Notes & Updates
IP Rating Decoded: IP65 vs. IP67 vs. IP68 for Outdoor Heating Elements
IP65, IP67, and IP68 are the three most common ingress protection ratings for outdoor heating elements — but they mean very different things in practice.
Read More →FDA 21 CFR 175.300 for Food-Contact Heating Elements
FDA 21 CFR 175.300 governs resinous and polymeric coatings that may come into contact with food — including silicone rubber used in heating elements.
Read More →Defrost Heater Installation SOP: 6-Step Checklist for Refrigeration OEM Assembly Lines
A residential refrigerator defrost heater looks like a simple bent tube with two leads — but at OEM scale, a 6-step installation SOP is what keeps the line running.
Read More →Multimeter Testing for Tubular Heaters: Resistance, Continuity and Insulation Resistance
Why three measurements, not one — resistance tells you whether the heating wire is intact; continuity and insulation resistance confirm it will run safely.
Read More →Talk To Our Heating Engineers
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