All the parameters exceed the German industrial standard DIN 22252 and DIN 22255. According to customer’s requests, we can make surface anticorrosion treatment. HHDC Flat Link Chain All the parameters exceed the German industrial standard DIN 22255. According to customer’s requ... more HHDC Super Flat Link Cha... All the parameters exceed the German industrial standard DIN 22252 and DIN 22255. According to cust... more HHDC Round Link Chain All the parameters exceed the German industrial standard DIN 22252. According to customer’s reques... more