PRODUCT LIST
The national standard for Technical Trimellitic Anhydride drafted and formulated by us has been formally approved.
According to the public notice of Standardization Administration of China, the national standard for Technical Trimellitic Anhydride drafted and formulated by us has been formally approved. Standard NO.: GB/T 23967—2009. Date of issue: June 2, 2009; formal date of execution: Feb. 1, 2010.
2009-8-12 11:54:13