1. Variety: Grade1, Grade 2,Grade 3,ORQ,R3,R3S,R4 stud link anchor chain; studless anchor chain; buoy chain,D-type anchor shackle; Hatch-cover chain,lifting chain,kiln chain and others; DIN Standard chain; Special chain as per your requirments and their accessories. 2. MATERIAL GRADE: ANCHOR CHAIN:GRADE 2/U2, GRADE 3/U3ï¼? MOORING CHAIN:ORQ,R3,R3S       3.Material:20Mn (CM490),30Mn(CM690) 4.Length: 25m or 27.5m or as per your request. 5. FLASH BUT WELED 6.Surface: Self Color, Black Painted, Hot Dip Galvanized 7.Relevant Certificates: ABS, BV, CCS, DNV, KR, LR, GL, NK and RINA etc. 8.  Grade U2 / U3 from 12.5mm to 162mm; Grade ORQ / R3 /R3S / R4 from 58mm to 162mm 9.  accessories: kenter shackle, joining shackle. anchor shackle,pear type joining shackle                              buoy shackle type A, Swivel shackle                              pear type link, trangle plate.