HULK Metal has more than 16 years of experience manufacturing guardrail system fittings. We provide two guardrail system manufacturing services: one is structural pipe fittings. We have a complete set of molds for this product and can provide structural pipe fittings of aluminum alloy, malleable steel, and ductile iron; the other is OEM service, according to the drawings you provide, and performance requirements to develop guardrail system production solutions to complete the order. No matter what kind of guardrail system fittings, we can provide customized surface treatment services such as powder coating and galvanizing.