Carbon Steel Lock Washer DIN9250 Spring Washer Square Washer Ress Color Zinc Plated Basic Info. Trademark CARGIN Origin China HS Code 7318290000 Product Description Zhejiang Kahuan Technology Co., LTD. was established in 1993, is a professional manufacturer of Retaining rings, Washers, thrust caps, Clamps, snaps, shaped parts, Springs and other elastic parts products, has been committed to the development and manufacture of elastic parts products....