Compared with last week, the sea freight of centralizers and ESP cable protector in this week fluctuates.

Compared with last week, the sea freight of casing accessories have fluctuated this week.

Compared with last week, sea freight of centralizers and ESP cable protector has decreased this week

Compared with last week, the sea freight has slightly fluctuated this week, basically remains unchanged.

Compared with last week, the sea freight of casing centralizer and ESP cable protector this week has fluctuated