Shanghai PanAn Testing and Engineering. is deeply engaged in the field of petroleum and chemical testing, and has provided world-class instruments and equipment and high-quality products and services for thousands of petroleum and chemical testing laboratories in China. From crude oil exploitation to pipeline transportation and storage; From refining and chemical control to oil quality control; From oil blending to oil detection; From automobile, machinery to intelligent manufacturing; From quality inspection, commodity inspection to measurement calibration; From private enterprises, state-owned enterprises to multinational corporations, we can see the products and services provided by Bonan testing everywhere.