T8 -level high -strength chain, broken strength ≥800MPa. The surface treatment is commonly seen according to customer requirements: polishing (primary colors), black, electrophoclared, electroplating, hot galvanized, painted paint, hanging plastic, galvanizing, etc. Our factory chain uses full -automatic equipment and mature chain technology to choose high -quality alloy steel. In addition to standard spacing, different pitch chains can also be made according to the needs of customers.