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.
Our 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.
1609-2025Our loyal Russian customer, the second batch of octane number analyzers is being packed and prepared for shipment this year!Reliable data, stable performance, and timely service are the prerequisites for the customer to remain a loyal one.
0509-2025