Zibo Linzi Qiquan Industry and Trade Co., Ltd

Since 1932, we are your reliable partner as a distributor, manufacturer and service provider of valves and fittings for shipbuilding and industry, sampling systems and system solutions. Nowadays, almost 90 years after we were founded our fa...

Main products: Shanghai Yukang Biotechnology Co., Ltd. is committed to technological innovation and provides customers with various advanced fine chemical intermediates containing pyridine (bipyridine, tripyridine, aryl substituted pyridine, phenanth