Non-woven bag material is generally used in the number of grams of 70-80 grams, non-woven materials ranging from 50-150 grams, but the spot material 70g / 80g mostly when large can request and special production, there are several colors ten kinds of guests within the color card and told us to use color. The Company may issue a VAT invoice, ordinary invoices. [1] The main process, screen printing, screen printing using screen printing machine on the fabric, using environmentally friendly ink, screen. Commonly known as: screen printing, watermarks, environmental and India. Advantages: affordable, fast, low cost, bright colors, and is accepted by the public, a wide range of applications. Disadvantages: Can not print a large gap between the gradient image, such as the human head, landscape, housing and so on. 2, rubber edition letterpress, with six-color printing press rollers, printing on fabric top, engraved good use rubber glue stick drum version posted above, using environmentally friendly ink. Commonly known as: offset printing (offset printing with different paper), letterpress, flexo. Advantages: low price, high speed, colors will bring a little bit of micro-light, widely used in society. Disadvantages: color in light, only applies to light pigment fabrics, such as white, beige and other light fabrics pigment. 3, thermal transfer, using offset and hot press, the first to use offset printing in thermal transfer paper, and then through the hot press, flat iron or hot in the cloth top. Commonly known as: thermal transfer, dye-sublimation printing. Pros: printable man portrait, landscape, and so high-precision images, at high concentrations, the printed bag looks very bright. Cons: not too big printing area, higher prices, slower. 4, gravure color printing, using seven-color gravure printing machine, a gravure pattern carved on the roll (made of iron) above, then the version of the frame on the press, printing on OPP film, followed by laminating machine and then coated on non-woven fabric. Commonly known as: color printing, gravure printing. Advantages: random pattern size, without deliberately narrow pattern, printable human head, landscapes and other high-precision screen, high concentration, so that the whole bag of presents beautiful picture. Big bag quantities, prices have obvious advantages, fast. Cons: expensive version costs, relatively high for a small number of bags cost sharing. This printing method, for environmental protection or not, is still a debatable topic. Product specifications specifications size is determined by their own customers, the customer at the time of order, simply provide product length, width, height, we can be tailored to your needs.