saidi cartridge technology Co.,Ltd is a professional ceramic cartridges production company.The company has a capable team to do the design and research of ceramic cartridges.The company has advanced production equipments, perfect quality control system and testing equipments.All products passed 100% strict pneumatic performance test and open and shut torque test.So far our company has the certification as follow: France ACS,EU CE, German KTW and UK WRAS.Pursuing the satisfaction of Customers’  is our company’s development objective.Survival by quality, development by reputation.We sincerely welcome your arrival and cooperation.