绿木源（北京）林木有限责任公司是美国GreenWood Resources公司的子公司，美国GreenWood Resources公司是全球速生高产可持续林业领先生物技术公司，专长于杨树基因改进、杂交。GreenWood Resources提供全方面的产品及服务，包括超级杂交品种、优化林场发展以及下游林木产品贸易销售。绿木源（北京）林木有限责任公司执行机关位于美国俄勒冈波特兰，总部则设在中国北京，业务主要集中于发展独资和合资林场及苗圃，其它业务包括苗圃运作产品及服务、林场开发、纸浆公司和林产品、木材产品公司整合。

　　GreenWood Resources China, Limited is a subsidiary of GreenWood Resources, Inc., an U.S.-based company and global bio-technology leader in fast-growth, high-yield, sustainable forestry.  Specializing in genetic improvement and management of hybrids and species within the Populus genus, the company provides a full spectrum of products and services including superior hybrid plant materials, optimized tree farm development and downstream forest products sales and trading.  GWR China’s executive offices are located in Portland, Oregon U.S.A. and corporate headquarters are in Beijing, China, where the company focuses primarily on the development of wholly owned and joint venture tree farm and nursery assets.  Other activities include products and services to nursery operators, tree farm developers, pulp and paper companies, integrated forest products companies and timber product firms.