螺絲螺紋加長(zhǎng)起吊安全嗎，在哪里做螺紋加長(zhǎng)旋轉(zhuǎn)吊環(huán)，深圳廣臣高品質(zhì)萬(wàn)向旋轉(zhuǎn)吊環(huán)媲美進(jìn)口產(chǎn)品，廣臣外貿(mào)出口萬(wàn)向旋轉(zhuǎn)吊環(huán)征經(jīng)銷(xiāo)商，深圳市廣臣起重設(shè)備有限公司新款外貿(mào)萬(wàn)向旋轉(zhuǎn)吊環(huán)誠(chéng)招銷(xiāo)售商，區(qū)域代理商，價(jià)格優(yōu)惠，廠價(jià)直銷(xiāo)，出口歐美，品質(zhì)卓越。Swivel hoist ring，Mold Lift Ring ，Lifting Eyebolt，Pivoting Lift Ring，Side Pull Style Hoist Rings，Lifting point，Inch Standard Centre-Pull Hoist Ring，Metric Side Pull Style Hoist Rings， Pivoting Lift Ring， Swivel Eyebolt， Pivoting Lift Ring， Side-Pull Traditional Hoist Ring， Side Pull Style Hoist Rings，Side Swivel Hoist Rings。