Puyang Kaisheng Chemical Co., Ltd., which headquartered in Puyang, China, is a high-tech enterprise specialized in technical research, production, development and trade of chemical products. Kaisheng Chem covers whole range from small amount (gram grade) for research to big bulk for industrial production. Synthesis capacity from 1 liter to 3000 liter is available. Our business serve local customers and markets around the globe. Kaisheng Chem focus on: -Organic compounds -Active Pharmaceutical Ingredient(s) -Custom synthesis -Contract Manufacturing.Our advantages: Our laboratory---We have two laboratories in Zhengzhou University . These laboratories focus on Technology Development and Custom Synthesis, Manufacturing base --- Our company has Manufacturing bases in Zhejiang, Jiangsu and Sha..