7.2 Upgrading Steel-using Industries 7.2.1 Engineering Research Center (ERC) 7.2.2 Joint Research Laboratory (JRL) 7.2.3 Alliance for Steel Industries 7.2.4 Industry and Academia Alliance 7.3 Green Life 7.4 Green Partners 7.4.1 District Energy Integration 7.4.2 Energy Saving Service 7.4.3 Construction of an Eco-Society 7.5 External Communication and Cooperation 7.5.1 Domestic Associations and Institutes 7.5.2 International Consociation In Steel Industry 7.6 Supply Chain Management 7.6.1 Contractor Management 7.6.2 Equipment and Material Procurement 73 7.