86-543-3077968
Zhangtan Village, Lijin Town, Lijin County, Dongying, Shandong, China (Mainland)
API and OCMA grade bentonite for oil drilling, US $ 50 - 150 / Metric Ton, Inner Mongolia, China, BEST- bentonite drilling mud, bentonite drilling mud-002.Source from Binzhou Best International Co., Ltd. on Waimaotong.com.