How is a vacuum flask made?

How is a vacuum flask made?

ECOWAY HOUSEWARE LIMITED–China Professional Vacuum Flask OEM Manufacturer Factory

OEM/ODM Contact:


Tell:+86 769 2201 6525; +86 579 8384 2163

How is a vacuum flask made?

A vacuum flask has double layers stainless steel structure, with vacuum insulated techinique to keeps hot 12hours cold 24hours in different environment for people enjoy hydration drinking.


Stainless steel bottle body, plastic cap/lid, silicone gasket

All materials must comply with FDA/LFGB regulation to make sure food contact safe, and BPA Free, Toxic Free for healthy hydration drinking for kids, adults.

2. Custom Design Process:


You reach out our team with design drawing sketch 3D solidworks or 2D CAD or   prototype samples for your custom design new BOTTLE/VESSEL/JUG products to a pointed market/usage/potential order quantities, our engineer will review all documents and have feedbacks for you with design modification advices & mould cost & product cost for your consideration.


With the agreement contact on mould cost/product cost/payment term/lead time/product specs, we design tooling and process tooling manufacturing after your approval, finished trial run samples to do relevant testings in labs.

How is a vacuum flask made?

Why Working With Ecoway Houseware For Your Custom Design Stainless Steel Vacuum Flask Projects?

We focus on providing stainless steel water bottle OEM manufacturing service to customer. Our development team is specialized in industrial design, engineering, user interface, prototyping and high technology design. Our team combines the needs of our clients and users, marketing and manufacturing experts to create a customized and focused solution.

  1. Good quality products and services
  2. Fast delivery products and shipment
  3. Cheap costs product development and production & goods

How is a vacuum flask made?