DIAMOND CERAMICS INC.
4023 Sundance Hill Ln, Sugar Land, Texas 77479, USA
Tel:+l 832 S88 3615
E-mail:
davidwang@diamondproppant.com
JINGANG NEW MATERIALS Co., LTD.
No.5 Zouwei Road, Mingji Economic Development Zone, Zouping, Shandong, China
Tel:+86 135 6158 1600
E-mail: wuhao@sdhx.com