Beijing Fenglonghui Greenhouse Technology Co., Ltd. Adres 3rd Floor National Center for Corp Germplasm Conservation, Chinese Academie voor Landbouwwetenschappen, No.12 South Zhongguancun Street, Haidian District, Peking 100081, China. Tel 86 10 62149667 E-mail market@greenhousepolyfilm.com Fax: 86 10 82108614 Whatsapp 86 134 3931 2093