It is forged by special alloy steel with high intensity and high toughness, and then it is heat treated; It can be matched with G100 chain;

The performance is increased by 25% compared with G80 products;

Each work piece should pass testing at 2.5 times of working load limit;

We should carry out sampling and 20000 times of fatigue testing;

We should carry out strict sampling and breakage testing for each batch of products;