HANDRAILS a new type composite handrail which hollow ball, metal structure. Let's simple, stable, go HANDRAILS a new type composite handrail which hollow ball, metal structure. Let's simple, stable, goodly, durable and cone emient to installing and separating. Handrails conformity with the National Standard in the People's Republic of China of GB4053.3-93 and the National General Archintecture ...