Dirui Industrial Group Co., Ltd. is an achieved high-tech enterprise in Changchun new & high tech. development zone. It is an important protected enterprise of Chengchun people's government and passed ISO-9001 certification in 1999. Dirui group depending on the prominent quality and eminent after service achieves good reputation at home and abroad and develops into the largest diagnostic stops production enterprise in Chine. It becomes the only enterprise which has the ability of designing and developing urine analyzer. Dirui is also the main distributor of large medical equipment a broad.