Inspection and inspection instrument after sale service

E-mail: gaokesuo@gaokesuo.com

The hotline is mainly served by the diesel oil lubricity tester (high frequency reciprocating tester, diesel friction and wear tester, HFRR) and its consumables, gasoline nozzle flow loss test machine (QYPFI), gasoline engine intake valve simulation test machine product quality problem and other related questions.

After-sale service for electronic products

E-mail: gaokesuo@gaokesuo.com

The hotline mainly serves the following problems: the DC voltage converter series, the quality problems of the aftermarket products, the installation and application process.

After-sale service for chemical products

E-mail: gaokesuo@gaokesuo.com

The hotline mainly serves the product quality of antifreeze series products, diesel antiwear agents, gasoline detergent, diesel detergent, urea solution, car partner series products and safety technical instructions.