... custom. supply aisi & en,din standard rolling steel, flat steel, forged steel, ring plate grade such as: s45c,34crnimo6,42crmo4,30crnimo8, ... diversified service like peeling, turning, drilling,cold draw steel, square steel bar, hexagon-shaped and related heat treatment (quenching) ... willing to try our best to supply advantaged special steel to satisfy our clients and creates co-flourishing future! ...