亚洲欧美天堂综合一区_青草久久久国产线免观_国产在线视频一区二区二区_欧美日韩一区中文在线,国产福利113精品一区二区三区,亚洲女人被黑人巨大进入 ,国产成人无码精品一区在线观看,国产喷水1区2区3区咪咪爱av,日韩精品2卡3卡4卡5卡,亚洲欧洲精品成人久久曰影片 ,亚洲中文字幕在线资源第1页_亚洲伊人久久大香线蕉_中文有码亚洲视频精品一区_国产三级A在线观看国内精品久久人妻无码_中文字幕av一区二区三区_精品国产一区二区三区AV

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.

亚洲一区二区三区四区在线,国产欧美日韩综合精品一区二区,精品一区二区三区在线观看视频,欧美一区二区三区日韩免费播,日本一区二区三区视频在线,国产日韩欧美综合一区二区三区,欧美日韩亚洲高清不卡一区二区三区

white-barked pine

Koelreuteria Paniculata

Guohuai

Five-pointed maple

Home >> Products >> Five-pointed maple...