1. 壓實機CE認證技術咨詢服務  Compaction machinesA machine which compacts materials, e.g. rock fills, soil or asphalt surfacing,through a rolling, tamping or vibrating action of the working tool

2. Concrete-breakers and picks, hand-held 手動混凝土破碎機和鎬 Powered (by any method) concrete-breakers and picks used to perform work on civil engineering and building sites.  噪音聲級限值103-113