Cixi sinco machinery factory is a professional engaged in non-standard custom lathe parts fasteners, products processing plastic non-standard parts processing customized enterprise, the company was founded in 1995. In 20 years the company has been uphold quality first: service first focus on the concept of professional. After 20 years development, it is the most professional fastener products in zhejiang processing customization enterprise.brbr<1 plug screw processing custom series, plug type bolt shoulder screws, such as screw convex shoulder screws, thread system plug and play environmental protection and special-shaped seal and other non-standard plug dozen screw.