VKS – a premium tap brand by CH Seiko, which is Sichuan Chuanhao Seiko Machinery Co., Ltd., the largest thread tool production base established by Chuanhao Precision Machinery (Shanghai) Co., Ltd. in Southwest China, focusing on research and development, production and sales of high quality thread tools. Products are widely used in electronics, IT, locomotive and other industries. We use imported high quality special high-speed steel to ensure that our products have the advantages of high hardness, toughness and long life.

    After more than 20 years of development, we have become a research and development, production, sales in one of the internal thread tool production enterprises, with more than 10,000 m² of production plants, 300+ equipment. Fully automatic intelligent production lines are equipped, advanced optical testing instruments and intelligent testing equipmen...