SALES CONTRACT OF INDUSTRIAL PRODUCTS

                                                                   Exhibit 10.13

                      SALES CONTRACT OF INDUSTRIAL PRODUCTS
                      -------------------------------------
                                                                    NO.:
                                                               SIGNED AT: Tai'an
                                                          DATE: January 15, 2003

This contract is made and entered into by and between Feicheng Longxin Materials
Storage & Transportation   Co., Ltd   (hereinafter   referred to as the Seller) and
Shandong   Shengda   Chemical   Co.,   Ltd   (hereinafter   referred to as the Buyer);
whereby   the   Seller   agree to sell   and the   Buyer   agree to buy the   commodity
mentioned in this contract subject to the terms and conditions stipulated below:

Article 1: Object, Quantity, Price and Date of Delivery

NAME OF COMMODITY: Anthracite Coal

UNIT: ton

QUANTITY: 3,000

UNIT PRICE: RMB 630 yuan

TOTAL AMOUNT: RMB 1,890,000.00 (ten million,   eight hundred and ninety thousand)
yuan

DATE OF DELIVERY: 300 tons each month

Article 2: QUALITY STANDARD

The fixed   carbon   shall be more than 78%, and the heat value shall be more than
7,000 kcal;

Article 3: TERMS AND TIME LIMIT OF QUALITY   ASSURANCE OF THE SELLER:   The sulfur
content shall be below 0.6% and the content of debris shall be less than 1%.

A