load chain: 1.Surface treatment:black; 2.Size:10mm; 3.Specification: ... triangle formed by Beijing, Tianjin and Shanghai. Main product include:Lifting Hook series,Ring series,Shackle series,Connecting link series ... ,Lifting chain series,Turnbuckle series,Sythetic fibre lifting straps series,Lifting pulley series and Chain block series etc---LOAD CHAIN