... service 5.Zinc plat m3,m10,m12 forged plain lifting steel Eye Bolt Specification:1. Material: carbon steel ... All the product are strictly inspected by operators and skilled QC with record put down3. Universal inspection ... , Sand blasting, Painting, Electro-plating, Chemical Plating, and other machining processing.InspectionEquipmentsSpectrum analysis instrument, Metallurgical analysis, Tensile ...