我觉得这篇文章还是全部使用全称比较正式，而且很多缩写会让外行不知所云，同一简写对应的翻译简直太多了。除了你给出的单位我全部按照你的翻译了，我自己找到的单位全部是全称。
The Expo is one of the main activities of 2007 Shanghai Int'l Energy Expo., which is organized by Asia Solar Photovoltaic Association, National Solar Energy & Photovoltaic Standardization Committee, CCPIT Pudong Sub-Council, Shanghai Pudong International Exhibition Corp., Shanghai Aiexpo Exhibition Service Co., Ltd., it also obtained strong support and broad cooperation of the following organizations: PRC Ministry of Commerce, Shanghai Municipal People’s Government, China Solar Friendship Association, Photonics Industry & Technology Development Association (Taiwan), The Association for the Promotion of International Trade (Japan), Japan Solar-energy Association, South Korea New Energy & Renewable Energy Association, The Association for the Promotion of International Trade (South Korea), South Korea Solar-energy Association, etc, therefore, it’s a brand conference of Asia solar energy & PV industry.
The Expo is also specially supported by European and America industrial organizations such as European Photovoltaic Industry Association, German Solar Industry Association, etc, and some industrial enterprises from European countries such as German, Holland, Hungary, Turkey will also attend to the Expo. positively.
We will sponsor Asia Solar Energy & Economic Development Forum in the Expo opening in the afternoon in March 15, and many famous overseas & Chinese persons will make speeches, it’s a chance of a lifetime.
关于文章中涉及的单位名称问题：
台湾光电科技工业协会Photonics Industry & Technology Development Association (Taiwan)
日本太阳能协会-Japan Solar-energy Association
韩国太阳能学会- South Korea Solar-energy Association
日本国际贸易促进协会(国际贸促)-The Association for the Promotion of International Trade，Japan (JAPIT)
韩国国际贸易促进会- The Association for the Promotion of International Trade，South Korea
欧洲光伏工业协会-European Photovoltaic Industry Association（EPIA)
德国太阳能工业协会-German Solar Industry Association
上海国际能源展览会--Shanghai Int'l Energy Expo
亚洲太阳能光伏协会--Asia Solar Photovoltaic Association
中国贸易促进委员会上海浦东分会--CCPIT Pudong Sub-Council
上海浦东国际展览公司--Pudong International Exhibition Corp.
上海艾展展览服务有限公司--Aiexpo Exhibition Service Co.,Ltd.
This session unfolds can be one of 2,007 Shanghai international energyexposition major activities, bends down the association by the Asiansolar energy light, the national sunlight bends down the energystandardization technical committee, the Chinese trade promotioncommittee Shanghai Pudong branch, the Shanghai Pudong internationaldisplay company, the Shanghai Chinese mugwort unfolds the displayservice limited company to organize to implement, the expositionobtained the department of commercial affairs, the Shanghai people'sgovernment, the Chinese solar energy fraternity, Taiwanphotoelectricity science and technology organization's the and so onindustrial association, Japan promotion of interna association,Japanese solar energy association, South Korean new energy renewableenergy association, South Korean Association for the Promotion ofInternational Trade, South Korean solar energy academic societyvigorously support and the broad cooperation. Is the Asian area solarenergy light bends down an industrial grand meeting.
The exposition also obtained European light European and Americanprofession organization's the and so on coucher industry association,German solar energy industrial association special support, comes fromEuropean country and so on the Germany, Holland, Hungary, Turkeyprofession enterprise also positive participation this session tounfold can hit.
Will begin (on March 15) at the exposition afternoon to hold theAsian solar energy economy development forum, will carry on thelecture by the domestic and foreign professions celebrity, will be anot fault-tolerant opportunity.
Shanghai international energy exposition --Shanghai Int' L EnergyExpo
The Asian solar energy light bends down association --AsiaSolar Photovoltaic Association
Chinese trade promotion committee Shanghai Pudong branch--CCPIT Pudong Sub-Council
Shanghai Pudong international display company --PudongInternational Exhibition Corp.
The Shanghai Chinese mugwort unfolds display service limitedcompany --Aiexpo Exhibition Service Co., Ltd.
（这是我查的）
One of this year's exhibition main activity that can be 2007 Shanghai Int'l Energy Expo sources of energy exhibitation, the solar energy vanquishes an association only , the whole nation sunlight vanquishes the sources of energy standardizing a technical committee , Chinese trade promotes the Shanghai East of Huanghu River branch of committee , Shanghai East of Huanghu River international Exhibition Agency , Shanghai Ai exhibition serve Ltd. initiating and putting into operation from Asia, Exhibitation has got strong support and broad cooperations organizing such as Department of Commerce , Shanghai city People Government , China solar energy sodality , Taiwan photoelectricity science and technology industry association , Japan Association for the Promotion of International Trade , Japan solar energy association , Korea Republic new sources of energy regenerative energy association , Korea Republic international trade promotion committee , Korea Republic solar energy institute. Yes
This session unfolds can be one of 2,007 Shanghai international energyexposition major activities, bends down the association by the Asiansolar energy light, the national sunlight bends down the energystandardization technical committee, the Chinese trade promotioncommittee Shanghai Pudong branch, the Shanghai Pudong internationaldisplay company, the Shanghai Chinese mugwort unfolds the displayservice limited company to organize to implement, the expositionobtained the department of commercial affairs, the Shanghai people'sgovernment, the Chinese solar energy fraternity, Taiwanphotoelectricity science and technology organization's the and so onindustrial association, Japan promotion of interna association,Japanese solar energy association, South Korean new energy renewableenergy association, South Korean Association for the Promotion ofInternational Trade, South Korean solar energy academic societyvigorously support and the broad cooperation. Is the Asian area solarenergy light bends down an industrial grand meeting.
The exposition also obtained European light European and Americanprofession organization's the and so on coucher industry association,German solar energy industrial association special support, comes fromEuropean country and so on the Germany, Holland, Hungary, Turkeyprofession enterprise also positive participation this session tounfold can hit.
Will begin (on March 15) at the exposition afternoon to hold theAsian solar energy economy development forum, will carry on thelecture by the domestic and foreign professions celebrity, will be anot fault-tolerant opportunity.
Shanghai international energy exposition --Shanghai Int' L EnergyExpo
The Asian solar energy light bends down association --AsiaSolar Photovoltaic Association
Chinese trade promotion committee Shanghai Pudong branch--CCPIT Pudong Sub-Council
Shanghai Pudong international display company --PudongInternational Exhibition Corp.
The Shanghai Chinese mugwort unfolds display service limitedcompany --Aiexpo Exhibition Service Co., Ltd.