Located in the beautiful Dongying City, Shandong Province in the Yellow River delta, Dongying Yihai Industry & Trade Co., Ltd., founded in 2001, owns a total asset of 250 million yuan, fixed asset of 160 million yuan, an area of 100,000 square meters, and more than 390 employees. Over the years, we have always adhered to the business concept of "market oriented, user foremost and quality first", as well as strengthening management, market expansion, quality and brand; we also have established the overall development ideas of "developing branded products, strict and fine standardized management, credible development"; through scale expansion and development level upgrading, we have formed a diversified business structure mainly based on production of polyimide film and white carbon black. We have been awarded honorary titles of "Excellent Private Enterprise", "AAA-level Credit Customer", "Advanced Tax Unit", "Star Enterprise", etc. We smoothly passed ISO9001 international quality management system certification in 2003. With solid economic strength, high technological level, advanced production process, strict management means, credible marketing concept, we will continually stick to the corporate spirit of "self-reliance, professional dedication, striving solidarity and pioneering innovation", firmly follow requirements of high starting point, standard and efficiency, and keep pace with the times toward a sustainable development.