Qingzhou Dongshan Advanced Material Co., Ltd. was founded in the 1999s, our company is located in Qingzhou which is one of the ancient nine states of china, our main products include conductive ceramic evaporation boats and Boron Nitride /Titanium Diboride products. the products have been exported to India, Pakistan, and other countries .

We sincerely welcome friends from both home and abroad to join with us with mutual benefits ,we are trustworthy supplier, we can bring you cost-effective products.