Formula and filling
Flavor development, nicotine systems, VG/PG ratios, device compatibility, batch preparation and filling formats.
About Us / E-liquid & Hardware
E-liquid & Hardware Support
Formula, coil, device, assembly, packaging and quality support.
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Changhan Technology
Manufacturing Support
E-liquid and Hardware Support
Formula development, atomization, assembly, packaging and quality control for OEM and ODM products.
Hardware and atomization
Device structure, coil, airflow, power, reservoir and assembly development for the selected product.
Packaging and delivery
Artwork, labels, retail packs, carton quantities and shipping preparation for the destination market.
Development & Production
Development and Production Support
Production follows the approved samples and specifications.
Product requirements
Market, format, order quantity, target price and custom requirements guide the initial feasibility review.
Sample development
Device, liquid and packaging samples are prepared for functional, flavor and fit evaluation.
Production specification
Accepted samples, revisions, tolerances and packaging files form the production reference.
Repeat supply
Lot identification, inspection, batch and packing records help keep repeat orders consistent.
Buyer Support
FAQs
Which quality checks can be included?
Product-specific checks can include incoming inspection, assembly, airtightness, draw resistance, leakage, aging and outgoing sampling. E-liquid orders can also include batch traceability and available COA or SDS/MSDS records.
What affects the production schedule?
The product platform, tooling, formula work, component availability, sample revisions, printed packaging and order quantity affect preparation and production time.
How are repeat orders matched to samples?
The accepted device, liquid and packaging samples are linked to the production specification. Reorders use the agreed revisions, lot identification and packing details.
About Changhan
More About Us
Company Profile
Devices, e-liquid and OEM/ODM supply for overseas brands, distributors and retailers.
Brand Matrix
Device, custom e-liquid and bottled e-liquid brand roles.
Business Overview
Device supply, e-liquid development and bottled ranges for overseas customers.
Company & Product Documents
Company, product, batch and shipping document support for business buyers.
Production enquiry
Discuss Production Support
Send the device, liquid, packaging, market, volume and approval needs.