Beijing Fenglonghui Greenhouse Technology Co., Ltd. Adres 3rd Floor National Centre for Corp Germplasm Conservation, Chinese Academy of Agricultural Sciences, No.12 South Zhongguancun Street, Haidian District, Beijing 100081, China. Tel 86 10 62149667 E-pos market@greenhousepolyfilm.com Faks: 86 10 82108614 Whatsapp 86 134 3931 2093