86-543-3077968
Zhangtan Village, Lijin Town, Lijin County, Dongying, Shandong, China (Mainland)
API and OCMA grade bentonite for oil drilling, US $ 180 - 200 / Ton, Inner Mongolia, China, BEST- bentonite drilling mud, bentonite drilling mud-001.Source from Binzhou Best International Co., Ltd. on Waimaotong.com.