How to translate 'Market Access' into Chinese? How to translate 'Market Access','Consumer Market Access' and 'Firm Market Access'?

Definition
 - 'Market Access' is the extent concept. Under this concept, 'Consumer Market Access' means that the extent of the market the consumer can access.
Similarly, 'Firm market access' refers to the extent concept.

Hope someone can help me to improve the translation.

市场进入，市场获得，市场邻进，市场获取，which one should I choose?

If add "消费者" or "企业" before it, which one is the best?
"MARKET ACCESS" means "市场准入" in Chinese.

eg.
However, a loosening of market access rules is expected to occur in the coming years.
然而, 在未来几年里,市场准入规则预计将不断放宽.