It is highly recommended to take sand samples from a flowing stream of proppant material, not from a static pile or bag. Possible sites for taking samples are: -production line at the manufacturing plant; -during bulk container loading
China officially launched the "Blue Sky Plan", and the oil industry has a long way to go!...
On July 3, 2018, the "Notice of the State Council on the action plan for the three years of defending the blue sky" was released, hereinafter referred to as the "Action Plan".
Cross-cultural communication business communication etiquette...
General speaking, cross-cultural communication can usually be divided into two forms: verbal and nonverbal communication. Among them, verbal communication is also divided into oral and written language communication.