Your Professional Thermos Cup Supplier
Established in 2006, Shanghai Bangkun Precision Mold Co., Ltd. is a professional manufacturer specializing in precision mold development and injection molding for household products such as thermos cups and vacuum flasks. Located in Jinshan District, Shanghai, the company operates a complete production line supported by experienced engineering and production teams with extensive industry knowledge. Our factory is equipped with advanced CNC machining centers, precision mold processing equipment, and injection molding machines to ensure stable quality and efficient production. Through strict quality control systems and reliable manufacturing capability, we have established long-term cooperation with well-known brands including SUPOR and Joyoung, earning trust in the household products manufacturing industry.
-
Embrace on-the-go vitality with the Green Coffee Thermos Mug, a compact powerhouse designed for dynamic lifestyles. This Green Insulated Coffee Thermos Cup masterfully combines excellent thermal
Add to Inquiry -
Experience the blend of minimalist design and reliable performance with the 400ml White Coffee Thermos Cup. This White Insulated Coffee Thermos Cup features a clean, pure white exterior that
Add to Inquiry -
Make a vibrant statement with the 400ml Orange Coffee Thermos Cup, a bold companion that delivers dependable performance day in and day out. This Orange Insulated Coffee Thermos Cup combines
Add to Inquiry -
Indulge in sophisticated styling with the 400ml Purple Coffee Thermos Cup, where elegant design meets high-performance insulation. This Purple Insulated Coffee Thermos Cup features a rich purple
Add to Inquiry
Why Choose Us
Our Certificate
Certified under the ISO9001 quality management system, we maintain strict quality control standards throughout every stage of production to ensure stable and reliable product quality.
OEM and ODM services
Our experienced team provides complete ODM/OEM solutions, covering customized product development, mold design, manufacturing, production delivery, and after-sales support.
Production Capacity
With a mature production system and efficient manufacturing process, our 1.5-liter kettles achieved annual sales of over 1 million units in both 2022 and 2023.
Sales Market
Through cooperation with leading household appliance brands, our products have gained broad market presence and customer recognition across the industry.
Thermos Cup
A thermo cup, also known as a thermal mug or insulated tumbler, is designed to maintain the temperature of hot or cold beverages for extended periods. Whether you're commuting, working, or enjoying the outdoors, the right thermo cup can enhance your drinking experience by preserving heat or chill while offering convenience and style.

Cost-effective
They not only produce waste but also cost a lot of money. A reusable insulated coffee mug with a cover is one time investment thus it is cost effective.
Environment friendly
The majority of disposable containers are composed of plastic. Insulated cups can be reused for many years without deterioration.
Simple to clean
One of the primary problems with plastic bottles and mugs is that they need to be adequately cleaned as they may get the smell of earlier food or beverage.
Can be used for a long time
Plastic containers take a long time to disintegrate. Insulated cups can be recycled for years before being thrown away.
Chemicals free
Bisphenol-A (BPA) is one of the most toxic chemicals in plastic containers like cups and bottles. BPA has been connected to several health problems.
Medical applications
Insulated mugs aren't simply for keeping drinks hot or cold in the car. They can also be utilized for medical purposes.
Portable
A tumbler is lightweight and portable. A variety of hot beverages can be transported in an insulated tumbler for several hours without spoiling. Cold beverages or food can likewise be kept chilled for an extended period.
Types of Thermos Cup
Stainless Steel
Made from double-walled, vacuum-insulated stainless steel, this is the most popular and reliable option for daily use.
Plastic
Vacuum-insulated plastic cups offer a lightweight and budget-friendly alternative to metal mugs.
Ceramic
Features a ceramic interior or exterior, prized for its natural feel and aesthetic appeal.
Glass
Double-walled borosilicate glass cups provide clarity and purity in drinking experience.
Applications of Thermos Cup
Travel
On long drives, it keeps your morning coffee piping hot for hours, eliminating the need for frequent stops. Its spill-resistant lid and secure seal make it safe to place in cup holders or carry in bags without leaks.
Camping
For outdoor enthusiasts, a thermo cup is more than just a drinkware item—it’s a practical tool in the wilderness. It maintains the temperature of hot beverages like coffee or cocoa around campfires, and keeps cold drinks chilled during hikes or hot summer days.
Sports and Exercise
Athletes, gym-goers, and fitness enthusiasts benefit greatly from thermo cups that preserve optimal drink temperatures before, during, and after workouts. Whether it's a warm herbal tea to start the day or a chilled sports drink mid-run, these cups support performance and recovery.
Work and Office Use
In fast-paced professional environments, a travel thermo cup promotes productivity, wellness, and sustainability. It allows busy individuals to enjoy their favorite beverages without constant trips to the break room or reliance on disposable containers.
Material of Thermos Cup
Stainless Steel
The top choice for most travelers. It's highly durable, resistant to rust and corrosion, and provides excellent insulation. Double-walled stainless steel models are especially effective at maintaining temperature without external condensation.
Glass
Offers a clean, pure taste with no metallic aftertaste. Often found in double-walled designs for insulation, but more fragile than other materials. Best suited for home or office use unless protected by a silicone sleeve.
Plastic (BPA-Free)
Lightweight and shatterproof, making it ideal for hiking or travel with kids. However, plastic generally doesn’t insulate as well and may absorb odors over time. Look for high-quality, food-grade, BPA-free plastics for safety.
Design Elements of Thermo Cups
Double Wall Insulation
The cornerstone of any high-performance thermo cup is its double-wall design. This construction features two concentric layers of material—typically stainless steel—with a vacuum or air gap between them. The vacuum acts as a highly effective thermal barrier, minimizing heat transfer through conduction and convection.
Material Composition
Most premium thermo cups are crafted from food-grade stainless steel (typically 18/8 or 304 grade), chosen for its durability, corrosion resistance, and non-reactive properties. Stainless steel doesn’t leach chemicals or alter the taste of beverages, even after repeated use.
Lid and Leak-Proof Sealing System
A well-designed lid is essential for preventing spills and maintaining temperature. Most thermo cups include a silicone gasket or rubber seal that creates an airtight closure when the lid is secured. This seal prevents leaks even when the cup is turned upside down or jostled in a bag.
Ergonomic Grip and Handle Design
Comfort and safety are prioritized through thoughtful grip features. Many thermo cups include a handle similar to traditional mugs, designed to fit comfortably between two or three fingers. Others use silicone or rubber sleeves wrapped around the body to improve grip and reduce slippage.
Shape, Size, and Capacity Options
Thermo cups come in a variety of shapes and sizes to suit different lifestyles and preferences. Tall, narrow designs are ideal for fitting into car cup holders, backpack side pockets, or office desk organizers. Wider, more stable bases reduce the risk of tipping, especially on uneven surfaces.
Additional Functional Features
Beyond core insulation, many thermo cups include extra features that enhance usability. These may include measurement markings on the interior for tracking liquid intake, magnetic closures for easy opening, or compatibility with coffee machine drip trays.
Check Insulation Performance: Look for vacuum-insulated models with verified temperature retention times (e.g., 12 hours hot, 24 hours cold).
Verify Material Safety: Ensure the cup is made from food-grade stainless steel or BPA-free plastic to avoid chemical leaching.
Test Lid Functionality: Choose a lid that balances ease of use with leak resistance, especially if carrying in bags or using while driving.
Consider Cleaning Needs: Opt for cups with wide mouths or removable lid parts that are dishwasher-safe for easier maintenance.
Match Size to Lifestyle: Smaller cups (8–12 oz) suit quick coffee runs; larger ones (16–32 oz) are better for all-day hydration or outdoor activities.

Customization Options
Printing techniques
Full-color digital printing, screen printing, laser engraving, and sublimation allow for crisp logos, intricate designs, and vibrant graphics.
Color variety
Available in standard colors (black, silver, red, blue) or custom Pantone-matched hues to align with brand guidelines.
Surface finishes
Choose between matte (sophisticated and smudge-resistant) or glossy (shiny and eye-catching) finishes.
3D effects
Some suppliers offer embossed logos, textured surfaces, or even 3D printing for a premium tactile experience.
Size and shape
Options range from compact 12oz cups to large 24oz travel mugs, with tapered or straight walls depending on design goals.
Lid styles
Spill-proof screw-on, flip-top, or slide lids in matching or contrasting colors enhance both function and appearance.
Maintain
Daily Cleaning
Wash with warm water and mild dish soap using a bottle brush to reach inside the narrow neck and under the lid components.
01
Deep Cleaning
For stains or odors, mix one tablespoon of baking soda with warm water and let it sit for 1–2 hours. Alternatively, use a vinegar-water solution (1:1 ratio) to neutralize smells and remove residue.
02
Lid Maintenance
Disassemble the lid (if possible) and clean each part separately, especially silicone seals where bacteria can accumulate.
03
Avoid Dishwashers (if not specified)
While some cups are dishwasher-safe, hand washing is recommended to preserve insulation, coatings, and printed logos.
04
Drying
Air-dry completely upside down on a rack to prevent moisture buildup and mold growth.
05
FAQ
As one of the most professional thermos cup enterprises in China, we're featured by quality products and low price. Please rest assured to buy discount thermos cup for sale here and get pricelist from our factory. We also accept customized orders.
Green Insulated Coffee Thermos Cup, 400ml Green Coffee Thermos Cup, 400ml Durable Coffee Thermos Cup



