1.

"Let me refresh your memories about the importance of the Chinese market."

He reminded us that the Chinese market  WAS   important.

2.

"I believe that China can be the world's most lucrative market."

He claimed that China  COULD BE   the world's most lucrative market.

3.

"That is why we established manufacturing plants there as soon as possible."

He explained that that was why we  HAD ESTABLISHED   manufacturing

plants there as soon as possible

4.

"China is planning to ban cigarette advertising in the media and in public places."

He announced that China  WAS PLANNING   to ban cigarette advertising

in the media and in public places.

5.

"I have to make you aware of the real danger of this law."

He warned us that this law  COULD BE   really dangerous.