We passed the DNV ISO9001 certification in 2002.According to the requirements of ISO:9001,we have set up a complete quality management system including a series of procedures covering products R&D,producing,packing,quality testing, raw material purchasing and product transportation services which are the rules to be followed in our quality control process. In addition, we have also set up an accident reporting,a correcting and prevention procedures which can guarantee a continuous improvement to the problems exiting in our quality system.Also We have been educating and cultivating quality consciousness of all employees since the establishment of the quality system. After nearly 20 years of continuous training and education, the concept of "quality-oriented" has been deeply implanted in the hearts of every employee, so that we have a solid and reliable cultural guarantee for product quality commitment.