Hebei Dongding Chemical Trade Co. Ltd (Hereinafter as OPCT company) was founded in 2010, it is a high-tech enterprises that integrated of sale for project consulting, designed and developed, engineering design, materials purchasing, transport of goods, equipment installation, debugging and training in international trade field. Over the years, we has been engaged in the implementation, research and development and innovation of the potassium sulfate equipment, created many successful projects in the field of potassium sulfate equipment and accumulated rich experience;At the same time we constantly improve the potassium sulfate equipment, and achieved with independent intellectual property rights of patent technology. And we constantly strengthen the company`s internal management, strictly control the product quality, also have formed a set of relatively perfect production management, quality management and quality assurance system, obtained ISO9001 certificate. OPCT company had construct projects in various countries around the world, there is a lot of high-quality goods project, such as Saudi Arabia, Brazil, Iran, Indonesia, etc., and get the customer's high praise. In the future, OPCT company will go all the way with our partners, we will create brilliant together.