DOOWAY, as an ASTM member, is a high-tech company focusing on bench-test machines for petroleum products, our headquarters and factory locates in Shanghai. Our company has passed the quality【ISO9001】, environment【ISO14001】, occupational health and safety【OHSAS18001】 management system certification, we’ve been working on providing customers with high performance and high reliability precision test instruments.
The company participated in the development of the group standard "THJX+023-2025 Test Bench Method for Determining the Dull Value of Light Fuel" led by China National Petroleum Corporation Northeast Petroleum Sales Company, with the participation of more than ten units including Guangzhou Customs Technical Center, China Inspection Group, and some provincial and municipal quality inspection institutes. This marks the convergence of the company's original new products towards compliance with the standard.
1710-2025Our Japanese customers are our old customers, and this is our third repurchase. For professional instrument manufacturers, our quality and service are trustworthy.
1909-2025The diesel cetane number tester has been used and verified by users for a long time, and its compliance with standards, instrument stability, data accuracy, and timely service have been recognized by foreign customers, which is a great satisfaction for the company.
1609-2025