And obtained TUV certification and ISO9001 quality system certification; the main standards of our factory's production include: DIN, ANSI, BS, ISO, JIS, GB, UNI and other standards, as well as non-standard products: materials include: carbon steel, alloy steel, stainless steel, copper, nylon, etc.: product types include various types of screws, bolts, nuts, washers, pins, etc.
