视频一区二区三区人妻系列_国产又黄又猛又粗又爽的_男女无遮挡XX00动态图120秒_国内精品国语自产拍在线观看 ,亚洲欧美日韩中文字幕在线国产成人高清亚洲亚洲日本人成网站_青青人妖无遮挡久久99国产一区二区三区亚洲一区影院午夜福利_国产精品亚洲综合一区在线观看_国产成人a高清视频_麻豆国产精品无码AV在线_亚洲国产天堂久久综合网_久久久久久久99精品免费观看_亚洲欧美日韩国产视频_国产黄A真人一级无码毛片一区二区三区 ,日本精品一区二区三区高清_在线观看亚洲精品福利片_一区二区免费国产在线观看_久久精品国产免费观看频道_欧美精品综合视频一区二区

Beijing Qingshen Shanshui Flower and Wood Co., Ltd. was established in 1997. It is a high-tech enterprise and also a research base of the "National Key Laboratory of Efficient Production of Forest Resources" at Beijing Forestry University. The company is honored to be included in the "Beijing Annals - Landscape Greening Annals" and recorded in the history of Beijing‘s landscape development.

The company‘s base is located 2 kilometers east of Xiaodian in Yang Town, Shunyi District, Beijing, with a total area of about 1200 acres, including more than 800 acres of agricultural land and more than 300 acres of forest land. Moreover, more than 500 acres of agricultural land have been designated as high standard farmland construction areas. Since the return of forests to farmland, the company has set the development goal of "promoting both agriculture and forestry, and persevering", and has carried out the construction of "agroforestry composite management and integration" to create more value on limited land.

亚洲?V无码成人精品区日韩_亚洲精品日韩片无码中文字幕_久久精品?ⅴ无码中文字幕_国产精品无码无卡在线观看

Company news

Industry information

Home >> news