单选题
Dear Customer:　　　　　　　　　　　　　　　　　　　June 30, 2010
Beginning January 1, 2011, we will discontinue a number of our items in our product lines. Please note the following:/r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n /r/n

Ball bearings	CX-100, CX-200, and CY-450 series
Rolled sheeting	Galvanized iron, 25-millimeter thickness Zinc-coated steel, 35-millimeter thickness
Tubing	Copper-plated, 2.5-centimeter diameter Titanium-reinforced, 3-centimeter diameter
Square plates	ZZ-II5 and ZZ-118 series

Any orders for the above items received in our offices before January 1, 2011 will be honored. Thereafter, we will continue to sell only unsold stock. Contact your nearest Wheeling Steel Field representative with any questions. We regret any inconvenience to our customers.

单选题 What is the purpose of this letter?

单选题 Which of the following means of communication with Wheeling Steel is NOT available?

单选题 Who would most likely do business with Wheeling Steel?

单选题 What will happen before January 1, 2011?