Bromoacetaldehyde diethyl acetal

Pansense grop corp. is a comprehensive group mainly engaged in chemical industry, medicine, clothing, wine, packaging, energy, commerce, real estate, transportation, and other industries located in the famous national qilu chemical industrial park. pan xin biotechnology co., ltd. shandong, has a good hard drug intermediates into the theory and technology, deep knowledge, research and development ability, and practical work hard, have the courage to blaze new trails, and have the market awarenes