Wenan county Zhongde Chemical Co., LTD

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	White Bitumen Anti Collapsing Agent For Drilling Fluid White Bitumen Anti Collapsing Agent For Drilling Fluid,White Asphalthttp://www.zdhgchina.com/white-asphalt/white-bitumen-anti-collapsing-agent-for.html	2024-08-02
	Industrial Grade For Drilling Fluid White Asphalt Industrial Grade For Drilling Fluid White Asphalt,White Asphalthttp://www.zdhgchina.com/white-asphalt/industrial-grade-for-drilling-fluid-white.html	2024-08-02