Our company-Dongyue Industry Group Co.,Ltd located in the intersection of Chinese major steel production areas, Liaocheng, Shandong Province.. Beijing-Kowloon Railway passed through our city. Located in the northwestern part of Shandong Province, we are famous for cheap labor and preferential government support policies. Our products range as follow: Flat washers STANDARD DIN 125 A / ISO 7089 DIN 6916 DIN 9021 / ISO 7093-1 EN 14399 DIN 440R / ISO 7094 ASTM F436 DIN 125 B / ISO 7090 ASTM F436M DIN 1440 ISO 8738 DIN 1441 NFE 25513 DIN 7349 DIN 6340 DIN 7989 ASME B18.22.1 USS BS 4320 SAE BS 3410 ...