Our company Baoding Hoisting And Transportation Equipment Factory from china which was built in 1968,it's professionally produces lifting(hoisting) equipmentsour products including: HS-Z,HS-C,HS-VT series chain block: Chains: Material:high-quality alloy steel Surface treatment:polishing,galvanized,blcacked Quality Grade:G80 G70 G43 Safety factor:min 4 HSH lever blocks:CD1,MD1 series electric wire rope chain hoistpulley, trolley etc.Parts of our products have passed CE certification(Registration No:AM2030757 01)and gained ISO9001 quality system certification(CertificatNo:1100W/200210308)