SHANDONG WANYU products Co.,Ltd, located in PingYi where has rich gypsum resources. With abundant experience,advanced technology and scientific management,the company has passed the ISO9001;2000 International Quality System Authentication and National Building Materials Industry and Deleterious Substance Examination. The website of the company is http://www.sdwy.com.cn/.We hope to establish long cooperation-ship with any available company or person .If you have any questions,please contact us ,we are always ready to help you.