Coffee bags, coffee bags, coffee bags manufacturers in Dongguan, bags are generally divided into: non-hermetic packaging, vacuum packaging, packaging one-way valve, pressurized packaging. Non-hermetic package is actually a temporary package, only for a short period of storage. Vacuum-packed roasted coffee beans need to put some time and then packaged to prevent carbon dioxide damage to the packaging, such packaging and can be stored for about 10 weeks. Check valve packing on bag plus one-way valve allows carbon dioxide exclusion but hinders the external air intake, to ensure that the beans are not oxidized but could not prevent the loss of aroma. Such packaging can be stored up to six months. There are some coffee using vent packaging that is only playing in the bag without the installation of a check valve vent, so the carbon dioxide produced when emptying the coffee beans, the outside air will enter the bag, causing oxidation, so the store time is greatly reduced. After pressing the packaging roasting coffee beans will soon be vacuum-packed and filled with inert gas sealed, such packaging can guarantee the beans are not oxidized aroma will not be lost while ensuring that there is sufficient strength to ensure that the packaging will not be pressure damage that can storage for up to two years. Since the operation, colorful bear in mind that quality is the life, customer standards for the requirements of the development and production of products, in strict accordance with the national standards for the implementation of various types of packaging materials, the establishment of quality system according to IS9002 series of standards to ensure that products quality and delivery time, and strive to provide the highest quality products, the most affordable price, the best service. The company produces various types of flexible packaging, quality assurance, price, style may vary according to the customer to determine requirements for specific discussion!