Advanced technology, reliable quality and good reputation have opened up a broad market for the development of the company, and the marketing network has radiated throughout the country. And in Beijing, Xiamen, Foshan, Chongqing, Wuhan, Shijiazhuang, Zhengzhou, Luoyang, Xi 'an, Wuxi, Liaocheng, Chengdu, Dongguan, Taizhou, Chifeng, Nanjing, Wenzhou, Harbin, Shenyang, Urumqi, Hefei, Taiyuan and other places set up offices.
Dongyi Group is a large export spectrometer manufacturer in China
The company based on the domestic market at the same time, actively expand the international market. Customer groups throughout the country, many national-level important steel units, well-known enterprises, testing stations, research institutes and colleges, Such as Shougang, Baosteel, Wuhan Iron and Steel, TiSCO, Baotou Steel,Panzhou Steel, Shan Steel, CRRC Group, China Energy, China Building Materials, China Petroleum, China Steel Research Institute, Changji University, China Petroleum Pipeline Institute, Shandong University, School of Materials Science and Engineering, Hegang Entry-Exit Quarantine and Inspection Bureau, etc., all use East instrument spectrometer.
In 2008, the DF-100 direct-reading spectrometer was exported to Ethiopia, taking the first step for Dongyi Group to enter the international market, and Dongyi Instrument became the first spectrometer manufacturer in China to achieve export. At present, Dongyi products have been exported to South Korea, Vietnam, Myanmar, Kazakhstan, Bangladesh, Russia, Algeria, Saudi Arabia, Indonesia and other Asia, Africa, Europe and more than 30 countries.

The company has a special after-sales service department responsible for service and maintenance; Maintenance engineers are trained professionals;
The maintenance line phone is on 24 hours, the response is made within 2 hours after receiving the user's fault notification, the need to arrive at the user's scene, within 8 hours within the jurisdiction of Yantai City, 24 hours within Shandong Province, 48 hours within the country; The warranty period shall be agreed upon by both parties.
The company has a special training laboratory for users, fully equipped, complete functions, and has a special internal training materials; Before the installation of the instrument, the company provides 2-3 operators to the company for free training, a week of training.
The company is responsible for the user personnel during installation and commissioning operation, calibration, maintenance, common fault handling and other common sense training, education package meeting, to achieve the user personnel can use the instrument independently.