Jiashan Yingzhan Precision Products Co., Ltd. mainly produces standard parts, flat washers, spring washers, stamped parts, and elastic components. The company has an annual production capacity of 2000 tons and completed ISO9001 certification in 2016Main products/services: Flat washers; Spring washer; Square diagonal washer; High strength gasket; Saddle shaped elastic washer; Waveform elastic washer; Conical elastic washer; Inner and outer toothed locking washers; Internal and external serrated locking washers, etc.According to national GB type, German DIN, British BS, American ANSI, Japanese JIS, and international ISO. We can also customize non-standard materials of various models. Surface treatment can be white plated, colored plated, nickel plated, imitation gold plated, silver plated, brass plated, chrome plated, black zinc plated, blackened, etc! Surface treatment can also be carried out according to customer requirements!We can customize various materials (special materials, special specifications) for irregular stamping parts, stretching parts, cold extrusion, and hot forging according to the actual needs and requirements of customers; Mold design and manufacturing can also be customized based on samples and drawings. Surface treatment can be white plated, colored plated, nickel plated, imitation gold plated, silver plated, brass plated, chrome plated, black zinc plated, blackened, etc! Surface treatment can also be carried out according to customer requirements!