Jiangsu Huaan Scientific Research Instrument Co., Ltd., established on 2005-05-11, The business scope includes petroleum scientific research instruments,Special equipment for oil drilling,Instrumentation,Supercritical extraction equipment,Stainless steel compensator,super long pipeline,Oilfield dosing device,pressure pipe,Water treatment equipment and accessories,Environmental protection equipment and accessories,Electric heating equipment and accessories,Fire Equipment and Accessories,Pumps and Pump Accessories,Explosion-proof electrical appliances and accessories,valve,Cementing and fracturing equipment,Ocean Engineering Special Equipment,Research and development of new energy equipment,design,Production,processing,Sales,Maintenance and technical service;Chemical product sales(except dangerous goods);Experimental analysis instrument,Industrial Automation Equipment Sales,repair,Technical Services;Oil and gas field exploration and development technical services;Quality inspection technical service;Manual handling service;General Cargo Warehousing;Self-operated and agent import and export business of various commodities and technologies(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)