Jiangsu Dahua Science and Technology Industry Co., Ltd. is an oxygen-sealed, gas-storage technology products development, production, sales as one of the high-tech enterprises. The company has a group of experts, technicians and experienced staff, a modern laboratory and production facilities and has made "high humidity-Deaerator preservative and preparation methods, " the Chinese invention patents. Company plant covers an area of about 25, 000 square meters, built a number of modern production lines, with an annual output of products of various types of preservative 200 million standard package.