Technical collaboration signing ceremony between Double Arrow and United State Conveyor Dynamics, Inc. (CDI for short) was held in the conference room on the fourth floor of the administration building on the morning of Mar. 30, 2016. Our company Chairman Shen Gengliang, on behalf of Double Arrow, signed the collaboration document with CDI president Mr. Andrew Jennings. The validity of technical agreement is three years. CDI will provide marketing and technology support for Double Arrow to gain important conveyor belt project and also provide excellent technical design to Double Arrow conveyor belt system during the contract period. The United States CDI company has a high reputation worldwide in conveyor system design. The cooperation between the two sides will continue to strengthen the research in this field. Double Arrow will make full use of the discrete element analysis technology of CDI company, research and develop new conveyor system products to win the initiative and capture in the market.