Product introduction

Lead acetate test paper is white, and white as the color of the same. Lead acetate is a colorless salt. In the test of hydrogen sulfide gas, the first test paper wetting. H2S, then the paper will be black.

Company introduction：

Aoke Biological Engineering （Yangzhou）Co.,Ltd, established in 2,011, is a professional manufacturer engaged in the research, development, production, sale and service of PH test papers,PH special test papers, Qualitative filter papers,Quantitative filter papers,Chemical analysis test papers.Until now,our products have been widely used in scientific search,industry,agriculture,medicine and health,universities and environmental testing. We are located in Yangzhou City,Jiangsu Province with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In recent years, our company has introduced a series of advanced equipment including Paper cutter, Binding machine, Punch machine and Rolling cutting machine. Anyway,we aim to establish and generalize our own brand.We all hope that we can bring our products to the world one day. Now,selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as France,USA,UK,HK,Switzerland. We also welcome OEM and ODM orders. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.We will try to meet your needs.We truly welcome customers from all parts of the world seek cooperation for mutual benefits.If necessary, please contact us in time ,Thanks.