plastic ageing造句

• The company has established close cooperation with macromolecule material institute of zhongshan university , materials college of south china university of technology and guangzhou compounded materials institute former guangzhou plastic aging institute of ministry of chemical industry etc . the company also acts as an agent of holand dsm etc . international famous engineering plastic
  南方尼公司作为中国工程塑料工业协会广东省复合材料学会广东省机械工程磨擦学会理事单位，常年与中山大学高分子材料研究所华南理工大学材料学院广州复合材料研究院原化工部广州塑料老化研究所等单位保持密切合作公司代理荷兰dsm等国外知名工程塑料。