Business scope: Valve,
Building Materials,
Instrumentation,
Import And Export Of Goods Or Technology,
Liquid Ammonia,
Boric Acid,
Sodium Hydroxide,
Fracturing Flowback Fluid,
Drilling Engineering,
Benzene Sales,
Phosphoric Acid,
Quartz Sand,
Trade Operation,
Metal Processing And Sales,
Research And Development Of Environmental Protection Equipment,
Drilling Hose,
Oilfield Chemicals,
Trade Information Consultation,
Oil And Gas Field Drilling Mud Waste Liquid,
Hydrochloric Acid,
Waste Liquid Treatment Of Oil Based Cuttings
...
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