... .GOOD GUALITY 2.CHINA FACTORY 3.VARIOUS KINDS 4.ROCK BOTTON PRICE Founded in 2000, Jiashan Evershine International Trade ... materials. For finishing, we provide: black oxide, zinc electroplating, phosphate, copper plating, mechanical galvanization, hot dip galvanization, Dacromet, and ... 6.8, 8.8, 10.9, 12.9, A2-50, A2-70, and A4-70. We are now seeking ... our company, you are welcome to visit us. ROCK NUTS