Such as blue and white zinc, color zinc, black zinc, nickel, chrome, black, quenching, tempering, carburizing process by plating surface treatment. We always reliable quality, good reputation and warm after-sales service to win the majority of customers trust and praise, product sales in Shanghai, Jiangsu, Zhejiang, Beijing, Guangzhou, Sichuan, Wuhan, Shenyang, Shandong, Fujian and other parts of the country, especially in the last few years, the product is also exported to Southeast Asia, Europe, Russia and other countries. After use and establish long-term cooperative relationship