... .5mm-130mm 3.Grade: U2, U3 4. All class certificate Stud chain1. Material: alloy steel, carbon steel, CM490, CM690 or according ... dip galvanize or according to customer's requirement5. Certificate: LR, ABS, DNV, BV, NK, GL, RINA, CCS, IRS, KR6. Competitive price ... , Singapore, India, England, Germany, Italy, Canda, America and so on.Stud anchor chainStudless anchor chainOffshore mooring chain ...