Our group through specialist training. Skilled expert knowledge, sturdy sense of assistance, to fulfill the provider needs of shoppers for AISI 4040/4142 quenched and tempered. Chemical composition: C: 0.37 ~0.49; Si: 0.15~0.35; Mn：0.65～1.10; S: ≤0.035; P: ≤0.035; Cr：0.75～1.20; Mo: 0.15～0.25 Thread sizes: M16~M56 Thread screw: Cold threa, , , , Our concept would be to assist presenting the confidence of each prospective buyers while using the offering of our most honest service, as well as right merchandise. We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for AISI 4040/4142 quenched and tempered. Chemical composition: C: 0.37 ~0.49; Si: 0.15~0.35; Mn：0.65～1.10; S: ≤0.035; P: ≤0.035; Cr：0.75～1.20; Mo: 0.15～0.25 Thread sizes: M16~M56 Thread screw: Cold threa, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.
