• Nanjing Haotian Astronomical Instruments and Equipment Co.,Ltd.

    Address: No. 5 Paishan Road,  Tangshan Industry Concentration Zone, Nanjing, Jiangsu Province 

    Tel: 025-84179059 84179055

    Fax:025-84179058

    Web site: www.vastech.com.cn

    E-mail: haotian@vastech.com.cn