ROC had been concentrated on ISO9001 quality management system,insisted putting the quality on the first since june,2011.everyone was aroused to take part in the quality management and executed it strictly.With joint effort of every department,ROC got the ISO9001 quality management system certificates less than a year.In the meantime,the quality of the company has entered into new level.it is a strong guarantee to orders secureing and production.Above all,it is a firm foundation for the development of company.