Elegant group has three subsidiaries: one company (Tianjin elegant technology co., ltd.) is specialized in producing the various metal clad composite products with metal bonding or explosion bonding technology for corrosion-resistant process/equipment, such as titanium clad copper bar, copper clad aluminum sheet, permanent cathode plate, sacrificial zinc/aluminum/Mg anode for cathodic protection, pressure vessel, heat exchangers, polycarbonate sheet/acrylic sheet, and etc.; the second company (Yuyang jiancai building material company ) is specialized in producing the polycarbonate sheet, acrylic sheet, HDPE tanks; the third company (Bohai petroleum equipment machinery manufacturing co., Ltd. www.cndrillequipment.com ) is specialized in producing drill rig equipment with its spare parts, marine engineering equipment, oil production equipment, water injection pump and etc.