Quotation

To: Eric H. Williams

Purchasing Manager

From: Ma Jun

Marketing Manager

Date: December 2,2001

Re: Quotation

Dear Eric H.Willias,

At your request, I’m glad to offer you the magnesite series as follows:

1.Name: Dead-Burned Magnesite.

2.Specifications

MgO:90% min.92% min.95% min.97% min.

SiO₂:4.5% max.4.0% max.1.8% max.0.9% max..

CaO:2.5% max.2.0% max.1.9% max..1.2% max.

Al₂O₃:2.0% max.1.0% max.0.6% max.0.4% max.

Fe₂O3:1.0% max..1.0% max.0.6% max..0.5% max.

L.O.I.:0.5% max.0.3% max.0.3% max.0.3% max.

B.D.:3.1 g/cm