a级毛片高清免费视频a级毛片免费视频|高清电影无码在线观看|国产成人1024在线观看|高清无码黄片毛片一级片|午夜视频性爱嗯啊高清无码 ,国产在线精品国自产拍影院|日韩Aⅴ无码精品久久人|免费人成在线观看视频高潮|亚洲午夜精品无在线观看|麻豆国产在线精品国偷产拍亚洲久无码中文字幕热,国偷自产一区二区免费视频,最近更新中文字幕2022国语在线,亚洲中文久久无码精品 ,免费无码毛片一区二区_成人a毛片免费全部播放_国产精品免费无遮挡无码永久视频_久久久久久久久久久精品_欧美一级特黄特色视频_国产91精品高清一区二区三区

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

Company news

Industry information

Home >> news >> Company news