Changdao Yuzhu Optic Material Co., Ltd. is dedicated to the research and development of radiation shielding products. Our products have passed the identification by the experts from the Shandong Committee of Science and Technology. All parameters meet the national standard (YY0292.2-1997), which is identical to IEC standard. Our products passed the test performed by the Quality Testing Center for Radiation Protection Equipment under the Ministry of Public Health. We were appraised as Contract-abided and Credit-oriented Enterprise and our products were recommended by the Ministry of Public Health. For these years,we export our products to many countries and districts,got lots of exporting experience.Welcome to contact us for good cooperation!