With the further deepening of cooperation between Dongfeng Commercial Vehicles Company and Iranian SAIPA Group, Dongfeng Commercial Vehicles have entered the Iranian market in large quantities. The China (Shiyan) Auto Parts City, which is China's largest distribution center for Dongfeng commercial vehicle accessories, has also attracted the attention of overseas customers. In recent years, purchasers from various countries have visited Shiyan Auto Parts City for inspection, negotiation and procurement. The Bureau of Commerce of Shiyan Economic Development Zone also seized the opportunity to further promote the foreign trade and export of enterprises within the jurisdiction.
The STL water-jacketed Gold Concentrator is a kind of gravity separation equipment. It was developed by Changchun Gold Research Institute Co., Ltd. in 1985 and entered the market. At present, it has been used in many domestic and foreign companies. It is suitable for the recovery of single gold in placer gold, vein gold mines and polymetallic mines, instead of mercury plate operations. The addition of large single gold particles in the collected ore before flotation can further increase the recovery rate of gold mines, and it can also be used from gold-bearing mines. Separate single gold from flotation gold-copper concentrate and flotation gold concentrate.
The main indicators of this series of equipment basically reach the level of similar international products (such as Nielsen gold selectors, etc.). Compared with similar equipment at home and abroad, this series of equipment has the advantages of high cost performance, easy operation, and low maintenance costs.
Mini Gold Concentrator,Gold Extraction Machines,Commercial Gold Mining Equipment,Professional Gold Mining Equipment Changchun Gold Research Institute Co.LTD , https://www.changchunmachine.com
On March 18th, 2011, Iranian merchants visited Hubei Jingjia Auto Parts Co., Ltd., a foreign trade export enterprise in Shiyan Economic Development Zone, and exchanged opinions on product quality, product packaging and other issues, and reached an interest of nearly US$100,000. The Sourcing Agreement was accompanied by the Commerce Bureau of the Shiyan Economic Development Zone and participated in the entire process. 
It is reported that from January to February 2011, Shiyan Economic Development Zone enjoyed a favorable foreign trade situation and achieved a total of more than US$6 million in foreign trade exports. The products are exported to more than 40 countries and regions such as Iran, Vietnam, Russia, Algeria, and Syria. 