Weihui Rongjin Refractory Co., Ltd. was set up in 1966, and reformed from stated-owned enterprise into private enterprise in 1998, mainly specialized in whole sets of functional refractories for converter and electric furnaces. The company is one of the drafting member enterprises for the strandard YB/T5049-1999“slide plate”and standard YB/T4111-2002 “casting nozzles and well blocks”. In 2001, the company passed authentication of ISO9002:1994.
In order to upgrade the management level of the whole company, all leaders and section mamagers of the company had been trained for ISO9001:2000, and in 2003, the company passed the ISO9001:2002 authentication after examinaion by China Quality Association.
With the optimization and adjustment of structure of the company, new version of quality management system has been implemented, which was authenticated in 2004 after annal examination organized by Quality Guarantee Center of China Quality Association. 
   Chronicle events of QMS system：
    On Sep 31st, 2001, Weihui Rongjin passed the ISO9002：1994 quality system certification.
    On Oct 18th,2001, Weihui Rongjin passed the annual supervision examination and verification.
    On Nov 18th, 2003, Weihui Rongjin passed ISO9001:2000 quality system certification.
    On Sep 13th ,2004, Weihui Rongjin passed the annual supervision examination and verification.
    On Sep 14,2004, Weihui Rongjin passed the annual supervision examination and verification.