< 唐山Guardrail connecting piece:HFS-09 >

< 唐山Column connection: HFS-20 >

< 唐山Guardrail connecting piece:HFS-10 >

< 唐山Column connection: HFS-21 >

< 唐山Guardrail connecting piece:HFS-10A >

< 唐山Column connection: HFS-21A >

< 唐山Guardrail connecting piece: HFS-11 >

< 唐山Column connection: HFS-21B >

< 唐山Column connection: HFS-22 >