Shaanxi Petrochemical Institute is a comprehensive provincial institute which is specialized in researching, designing and developing petrochemical technique. The institute was found in the year of 19...

Luoyang Dingyue Nonferrous Metals Co., ltd are located in Dongmagou Industrial Area, Luoyang of China, which is an ancient capital of China. We are a professional company producing hard-metal material...

fluorescent brightener...

4-Hydroxy TEMPO¼Œfree radicalOxolinic Acid4, 4'-OxydianilineFluorescent brightenerOBFluorescent brightenerOB-1Fluorescent brightenerKSNFluorescent brightenerKCBFluorescent brighten...