Vacuum Flasks
Your Professional Vacuum Flasks Manufacturer
Established in 2002,Yongkang Jinpai Industry&Trade Co.,Ltd located in yongkang city, zhejiang province. We can offer the buyer one-stop tools station. Our main products include Vacuum flask/stainless steel bottle /water bottle/sport bottle/thermos flask/ plastic bottle.
Production Capacity
Our company can manufacture various types of stainless steel vacuum flasks according to customer requirements. We have strong capabilities in new product development and mold design.
Production Market
Our products are very popular in Japan, the United States, Europe, and South Korea due to their excellent quality, advanced production techniques, attractive appearance, fast delivery, and reliable service.
Our Certificates
Certified by BSCI, ISO9001, ISO14001, and ISO45001, our products are also FDA and LFGB approved, and free from BPA and BPS. We assist clients in obtaining certifications for specific markets and provide detailed test reports and documentation support.
Vacuum flask refers to a container that can isolate gas from external temperature or bacteria. The bottle has an inner wall and an outer wall that there is a vacuum between the two walls. Heat conduction and convection cannot be carried out in a vacuum, and the coated metal reflector can reflect heat radiation. So, anything you put into a bottle will stay at the same temperature for a long time. This is why thermos bottles keep drinks warm in winter and cool in summer. For the reason, people often carry the bottle as they have a travel in order to drink hot water as soon as possible.
It is made of superior quality materials which is safe and healthy, with no harmful matters. And it is non-toxic, odorless and ergonomic that it is able to provide the comfortable using experience.
It is light in weight that it is portable with the small size that you can easily carry it with little extra weight that it won't be your burden. It is practical and useful that it is widely used in our daily life, not limited to the travel.
It is produced with strict quality control in order to meet the national standards that it is of guaranteed quality, easy operation and excellent performance. And it is cost effective that it is durable with long life span.
Double wall stainless steel bottle
It adopts the high quality stainless steel that the inside of bottle is 304 while the out side is 201.Resistant to water,and corrosion, it is safe and healthy that it contains no harmful substance.And it is durable that it can be used for a long time.
Stainless steel insulated drink bottles
The Water Bottle is designed with two walls that it has outstanding performance of thermal insulation that it can keep the hot water for a long time.And it is portable that you can enjoy the hot water anywhere, anytime.
Made with fine craftsmanship and strict standards, it is of premium quality,easy operation and excellent performance that it is cost effective with the reasonable price.
Sublimation Vacuum Flask
High quality stainless steel themos flask with sublimation coating, is resistant to dust,oxygen,corrosion and water, prolonging its service life.And it is durable that it can be used for a long time,even several years.
Equipped with the large capacity, it is able to hold 550 ml which is quite practical.It is a good choice no matter you use at home or the office.


304 stainless steel vacuum flasks
The vacuum thermos is a kind of insulated flasks which is able to keep the drinks warm or cool for hours. It is a good solution no matter for a long journeys, camping, hiking, walking, or while at work.
Made of food grade 18/8 stainless steel interior and exterior, it is durable with prolonged service life that it is resistant to oxygen,dust and corrosion,making it easy to maintain which is able to keep new as the new even after the long-term use.
18/8 Stainless Steel Vacuum Flask
The 32OZ Bullet Vacuum Flask is designed with double walls with good heat preservation that it is able to keep warm or cold more than 12 hours.With the capacity of 550ml, it is able to meet the needs of daily water.
Stainless Steel Vacuum Insulated Sport Bottle
The water bottle adopts the unique design that it looks like the bowling which is fashionable and beautiful.It will be loved by the bowling fans which will make them happy.
Double-wall vacuum insulation technology keeps your drinks ice cold or piping hot for hours that you can drink the needed water as soon as possible, which is able to say goodbye to room temperature beverages.
Advantages of Vacuum Flasks
Superior Thermal Insulation
Double-walled vacuum flasks employ cutting-edge technology to create a robust thermal barrier. This insulation prowess ensures that your hot beverages stay hot and your cold drinks remain refreshingly chilled for extended periods.
Prolonged Freshness
The innovative design of double-walled vacuum flasks isn't limited to temperature control; it also extends to preserving the freshness and flavor of your drinks. This prolonged freshness ensures that every sip is as satisfying as the first, allowing you to fully enjoy the nuances of your favorite drinks with each indulgence.
Durability Redefined
Crafted from premium materials such as stainless steel, double-walled vacuum flasks are built to withstand the demands of everyday life. With their robust construction and resilient design, vacuum flasks offer peace of mind, knowing that your beverages are securely stored and protected, no matter where your adventures take you.
Leak-Proof Design
One of the standout features of double-walled vacuum flasks is their leak-proof design, which eliminates the risk of spills and drips, ensuring that your belongings remain dry and pristine at all times.
Specification
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Product Name: |
Customized 350ML/500ML Vacuum Insulated Japanese Style Thermos Flask Matte Black Stainless Steel Mug Thermal Vasos Water Bottle |
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Capacity: |
17oz |
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Material: |
Inner 304 Stainless steel |
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Prouduct size: |
21*6.5cm |
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Wight: |
370±10g |
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Logo: |
Customized available |
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Color: |
Customized available |
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Packing PCS/CTN: |
50pcs/CTN |
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Carton size: |
74.5*37.5*26.5cm |
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G.W./N.W.: |
19kg/12kg |
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MOQ: |
2pcs |
The Best Materials for Vacuum Flasks
For efficient heat insulation and durability, modern vacuum flasks typically use stainless steel, glass, and various high-performance plastic and silicone components. Each material has unique benefits, from heat retention to lightweight durability, making them suitable for different applications.
Stainless Steel
Stainless steel is widely used in vacuum flasks because of its durability, corrosion resistance, and safety for food and beverages. The most common types in high-quality vacuum flasks are 304 and 316 stainless steel.
Glass
Although less common than stainless steel, glass is still used in some vacuum flasks, particularly in inner liners. Known for its purity, glass doesn't impart any flavors or chemicals into the beverage, making it ideal for those who prioritize taste.
Plastic Components
Plastic, mainly used in the outer casing, lid, and seal of vacuum flasks, offers lightweight durability, which is essential for portability. Manufacturers carefully choose plastics that are BPA-free and FDA-approved for safety in food and beverage applications.
Customized Vacuum Flasks
A customized vacuum flask is a premium collection of insulated flasks designed to keep beverages at the perfect temperature. Crafted from high-quality materials like stainless steel, these can be personalized with unique designs, making them ideal for personal use or as impressive gifts.




Personalization and customization
Customized vacuum flask offer the opportunity to express individuality or promote a brand. Whether it's a family name, a company logo, or a meaningful message, customization adds a personal touch that makes each flask unique.Utilizing advanced vacuum insulation technology, these flasks maintain the temperature of hot or cold beverages for extended periods. Enjoy hot coffee or refreshing iced drinks at your preferred temperature throughout the day.
Premium materials
Look for flask made from durable stainless steel. This ensures longevity, resistance to rust, and a sophisticated appearance that withstands daily use and outdoor adventures.
Leak-proof design
Secure, leak-proof lids are essential for each flask in the . Features like silicone seals or locking mechanisms prevent spills, making the flasks safe to carry in bags or during travel.
Select your design and personalization method
Begin by choosing a design that reflects your style or aligns with your branding strategy. Popular customization methods include laser engraving, printing, or embossing, each offering durability and aesthetic appeal.
Consider size and capacity
Flask come in various sizes to suit different needs. Choose a with flasks sized for individual use or larger capacities for sharing beverages with friends and family.
Coordinate finishes and colors
Coordinate finishes and colors across the flask for a cohesive look. Whether opting for sleek metallic finishes or vibrant hues, customization allows you to create a that stands out.
Other Services
Certificate
LFGB、BSCI
Available in a variety of colors
We match colors with Pantone Matching System. So you can just tell us the Pantone color code you need . We will match the colors.Or we will recommend some popular colors to you.
MOQ
Usually our MOQ is 3000 pcs. But we accept lower quantity for your trial order. Please feel free to tell us how many pieces you need, we will calculate the cost correspondingly, hoping you can place large orders after checking quality of our products and know our service.
Get samples
Of course, we usually provide existing sample for free, however a little sample charge is needed for custom designs. Samples charge is refundable when order is up to a certain quantity.
Lead time of the samples
For existing samples, it takes 2-3 days. They are free.
If you want your own design, it takes 5-7 days, subject to your designs whether they need new printing screen, etc.
Payment term
Our normal payment term is TT 30% deposite after order signed and 70% aganist copy of B/L. We also accept LC at sight.
















