Factory mov j ru tsev nuv bolts

j ru tsev nuv boltsntawm ko taw tau coj zoo, thiab qhov tseeb zoo li zoo dua li daim duab no. CovFactory mov j boltsyog ua los ntawm cov khoom siv carbon zoo tshaj plaws. Tsis yog, qhov chaw ntawm lubJ BOLTyog galvanized, uas yog corrosion-resistant thiab tensile. Lub zog tshwj xeeb yog siab, thiab peb yog ibfastener Hoobkas, uas tuaj yeem tsim cov qauv sib txawv thiab qhov ntau thiab tsawg.