●  Casing head and casing spool use standard design, and can apply to all kinds of slip and mandrel type casing hanger
●  Straight-bore design:45  shoulder  design with high load capacity
●  Pipeline thread side outlet
●  Threaded flange side outlet, design with VR plug
●  Design with multi-structure secondary seals at bottom, Installation can be performed on spot per different structure type, injection or non-injection can achieve seal
●  Casing hanger design with standard profile，Inter changeability between slip casing hanger and mandrel type casing hanger 

●套管头和套管四通采用标准设计，可适用各种规格的卡瓦式和芯轴试套管悬挂器

●直孔设计，带有45°台肩，承载能力大

●管线管螺纹侧出口

●载丝法兰侧出口，设计有VR堵螺纹

●底部设计有多种结构的二次密封可供用户选择，现场安装可根据不同的结构形式进行注塑或不注塑均达到密封效果

●悬挂相同尺寸套管的悬挂器设计标化，卡瓦式套悬挂器和芯轴式套管悬挂器可互换