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tariff rate to 3% of foreign products will undoubtedly further enhance the competitiveness of . Match for natural gas, methanol, coal based methanol plant size from the domestic and international perspective, the Middle East and Central and South America as represented by general large scale methanol plant abroad.Currently the largest international methanol plant capacity has reached 1.7 million tons / year. Saudi Arabia last year as the company's annual output of 1.7 million tons of methanol a huge methanol plant in Al Jubail in operation, the company's five sets of large scale methanol plant's total capacity to produce 4.8 million tons. Installation of foreign enterprises large and small utility sharing investments, and the use of natural gas line, a substantial decline in investment per unit capacity, cost competitiveness has increased significantly. dollars / ton. Most of the Chinese methanol producers with coal as raw material gasification plant covers an area of limited size and large birth defects restricted to large scale methanol plant development. The largest single set of gas methanol plant size is about 600,000 tons annually, most of the single set of scale methanol plant to produce natural gas, 100,000 tons, compared with a big gap between international standards.From the energy point of view, now all the foreign large scale methanol plant using natural gas as basic raw material, energy consumption per ton of product, only 25 to 30 GJ Ji, natural gas consumption of 760 to 920 cubic meters of water 10 to 15 tons. China's energy consumption per ton of coal based methanol