we are one manufacturer of intermediate ,and offer the good qulity with best price .
if you have the interest in our products,pls contact us by email jason_zhong77@163.com
our product cas no.:79815-20-6/143612-79-7/183288-46-2/163521-20-8/174775-48-5/69404-00-8/7669-54-7/32940-15-1/143322-56-9/134...[ Click for details ]