JIANGYIN ALLPRO POLYMER TECHNOLOGY Co.,Ltd, a manufacturer of highly specialized HPLC/GC autosample vials,pp caps,silicone septa,has been meeting with global demand chromatography sample preparation for 10 years.From the line of strictly complied with GMP,which ensures products completely meet with high accuracy and cleanliness.All productions are under CE and ISO 9001:2008 certification.