Guchen Industry is offering a specialized range of all-electrical bus air conditioning system ( trolley air conditioner,tram air conditioning ) for any type of all-electrical buses, hybrid buses, tramways, and trolleybuses that are mainly used as city buses, school buses, and tourist buses / coaches for moving people. Tel: +86-371-69152892 E-mail: info@guchen.com to ask more information: website: www.guchen.com/ Learn more about Zhengzhou Guchen Industry Co., Ltd. G+: plus.google.com/b/109554735695183643863/+GuchenIndustry/about?gmbpt=true&pageId=109554735695183643863&pageId=109554735695183643863 Facebook: www.facebook.com/guchen.industry/ Linkedin: www.linkedin.com/company/guchen