Vacuum cup capacity simple identification method: the depth of the tank and the height of the casing, (16 to 18 mm) capacity consistent with nominal value. Some poor quality of vacuum in the cup to add sand, concrete to compensate for the loss of weight. Myth: a cup (pot) heavier is not necessarily good. Buy new vacuum cup warm inside, no matter what the season, tank "boiled water" with warm water wash once before, in order to make the glass refill temperature difference in balance, to prevent tipping.

Kunshan Ruifeng Import & Export Co., Ltd is one of the leading manufacturers of thermos vacuum flasks, vacuum jugs, vacuum Bottles. Located in the International Service Business Park of Huaqio, We engage in the manufacturing and export of thermos bottle, thermos vacuum flasks, glass refills, thermal insulated containers and other related products.

With highly competent management and staff, Kunshan Ruifeng Import & Export Co. Ltd has been able to establish its brand image among the mind of the customers. Working in this industry for such a long duration has enabled us to understand the overall dynamics of the market. We have been able to integrate the different functions from designing to production to the delivery of goods to the customer.

Innovation and quality management has always been the key in the success of the organization and has enabled us to introduce a wide range of different products including Thermos Vacuum Flasks, Vacuum bottles. Our products are exported to different parts of the world and are highly appreciated for their high quality.