Website: http://www.duxindaigang.cn/cn/index.htmlAbundant experience in international trade, professional in products knowledge, a good cooperation team, good and prompt services make our company good reputation in the market. We supply high quality products meet the standards of ASTM, API, and won its credibility. In the development, we own some steady customer, and continently open up the new potential clients. We exported to all over the world: Singapore, Thailand, Australia, India, America, Canada,Middle East. Now our team is growing, more and more peop...