About SATO HIROYUKI
About クレハ
About KOBAYASHI FUMINORI
About クレハ
About プラスチックス
About technical history
About plastic
About product development
About project
About corporate behavior
About polyglycolic acid
About setting objective
About market analysis
About technology
About production technology
About technology development
About market development
About gas barrier property
About natural gas
About oil production
About packaging material
About medical material
About development project
About basement technology
About oil mining
About Research and development
About Research and development
About Polyesters,alkyd resins
About Glycolide
About 日本
About プラスチック
About 開発
About ストーリー
About ポリグリコール酸
About PGA