We are Hangzhou Topsun Industrial Co.,Ltd, a manufacturer of link chains, supply NACM90/96, ASTMA413, DIN766/763/5685AC,etc standard or customer require the other non-standard chains.
We are Hangzhou Topsun Industrial Co.,Ltd,a manufacturer and specialize in link chains for several years,supply the chains follow NACM90/96,ASTMA413,DIN766/763/5685AC.
Hangzhou Topsun Industrial Co.,Ltd, is a manufacturer and supplier of industrial chain for international customers, supply standard(NACM,DIN,EIN818-2etc) and non-standard kinkds of chain,all of chains made by auto-from, auto-welding machine.