"2010--2015 Chinas double wall pipe industry market research and analysis of investment opportunities," relying on the company over the years to study double wall pipe products, with double wall pipe products over the years the laws of supply and demand changes, the double wall pipe products companies within the group conducted in-depth investigation and research, scientific methods of quantitative and qualitative writing from.
    "2010--2015 Chinas double wall pipe industry market research and investment opportunities analysis report on China s double wall pipe products in the market environment, production management, product marketing, brand competition, product import and export, industry investment environment and sustainable development issues such as the detailed system analysis and forecasting. And on this basis, analyze industry trends to make a forecast of qualitative and quantitative. Provide authority for enterprise development strategies, investment decisions and business management, adequate and reliable basis for decision making.
     The study mainly uses national statistics data, the Customs Department, the survey data, the Commerce Department to collect data and other databases. Wherein the major macroeconomic data from the National Bureau of Statistics, part of the industry, mainly from the National Bureau of Statistics data and market research data, business data mainly from the State Statistics Bureau of the size of the database and the stock exchange and other companies, mainly from Customs import and export data and business unit price data mainly from the various market monitoring database.