The company pocesses highly qualified technicians,advanced equipents and complete quality index system.And they have ach公司通过ISO9001：2000国际质量体系认证，产品畅销全国，远销东南亚，是中国大陆科学钻探工程中心指定科学钻探用钻头的主要供应厂家。
Niche dynamics of plant community succession and grassland quality index on zokor mounds鼢鼠土丘植物群落演替生态位动态及草地质量指数