< Column connection: HFS-14A >
< Guardrail connecting piece:HFS-04 >
< Elliptical tube guardrail post: TLZ-04 >
< Rectangular tube guardrail post: JLZ04 >
< Square tube guardrail post: FLZ-04 >
< Round tube guardrail post: YLZ-04 >
< Double-plate guardrail post: SLZ-04 >
< Single board guardrail post: DLZ-04 >
< Fixed seat: GDZ01 >