Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
October 1st is an important day in China, National Day, and the whole country celebrates this day every year. According to China’s statutory rest regulations, we will be on holiday from Octob...
N-Phenyl-1-naphthylamine CAS 90-30-2 is a colorless flaky crystal that turns light gray or brown when exposed to air or sunlight. N-Phenyl-1-naphthylamine is a commonly used antioxidant in natural ...
Ethyl butylacetylaminopropionate, a mosquito repellent ingredient, is commonly used in toilet water, mosquito repellent liquid and mosquito repellent spray. For humans and animals, it can effective...
CPHI & PMEC China is the leading pharmaceutical event in Asia, bringing together suppliers and buyers from the entire pharmaceutical supply chain. Global pharmaceutical experts gathered in Shan...
October 1st, quietly came, the birthday of the motherland is about to start! Bless the great motherland, happy birthday and happy holidays!
1949-2022 Warmly celebrate the 73rd anniversary of the fo...