How Counterfeiters Go on Return Road


For a long time, Chinese auto parts companies have been known for their “small, scattered, chaotic, and bad” and counterfeiting has been spreading around. Many enterprises that started from the workshop-type production have been repeatedly accused, punished and even “enc

Determination of pump flow

National Standards of People's Republic of China - Determination of pump flow (GB / T 3214-91 instead of GB 3214-82)

1 thematic content and scope of application

This standard specifies the pump flow measurement method.

This standar