The nature of production and use of products in heavy industry can be divided into three categories:

　　(1) Mining (cutting) industry refers to the exploitation of natural gas resources, including oil, natural gas, coal, metal mining, non-metal mining and wood harvesting industries;

　　(2) The raw material industry refers to the supply of basic industrial materials, fuels and electricity to all sectors of the national economy。Including ferrous and non-ferrous metal smelting and processing, coking coking technology, chemical industry, cement, plywood, power, petroleum and coal processing, glass fiber materials, sawn timber and wood industry;

　　(3) Processing industry (manufacturing industry) refers to the processing of raw material manufacturing industry。Including machinery and equipment manufacturing, electronics industry, fertilizer, metal structures and cement products, other construction materials manufacturing and other industries of the national economic sector of equipment, as well as fertilizers, pesticides and other industries of agricultural production。

　　Most of the products are used in the production of heavy industry, a small part is used for consumption, such as electricity, coal life, automobiles, etc。

　　Chongqing Nordson packaging for industrial products, in line with domestic and foreign standards, to provide cost-effective packaging cycle, to maximize the customer to reduce costs, improve efficiency, the use of advanced technical resources to optimize the design, reduce packaging volume and weight of transportation and warehousing, reduce cargo damage。