【正文】 ina shall be borne by party b. 　　article 7　additional equipment 　　in the course of implementing the contract if it is foun necessary that ，in addition to the machinery and accessories already listed in the provisions， some additional items of the equipment and measuring and testing apparatus are needed， an additional order shall be agreed upon through negotiation .the items thus added shall be incorporated in the contract. 　　article 8　insurance 　　after being delivered in china， the machinery and its supporting equipment shall be insured by party b. the unforeseen losses in connection with the equipment shall be indemnified for by the insurance pany first to the insurer (party b) in case the equepment has already been paid off for and thus transferred into party a’s a proportional part of the sum paid by the insurance pany shall be allotted to party a to cover the payment party a has already made for the items of equipment involved the losses. 　　article 9　liability for breach 　　either party shall be liable for a breach of contract in accordance with the provisions in the contract and shall indemnify for all the losses thus if party b should fail to make purchase of the products to be delivered by party a as make up payment ， or party a should fail to deliver the products for pensation . in such case， the breaching party shall pay to the other a sum as a fine ， which shall account for _________ % of the total cost the products in question. 　　article 10　performance guarantee 　　to guarantee the implementation of the contract， each party shall submit to the other a performance guarantee issued by a bank agreed by both parties. the guarantee bank of party a is bank of china， while that of party b is _________ bank. 　　article 11　amendment of the contract 　　when the contract needs to be amended in certain particular cases， the amendment can be effected only after it is agreed upon by both parties through consultation. 　　article 12　force majeure 　　either party shall not be held resposible for failure or delay to perform all or any part of the contract due to flood， fire earthquake ， drought ， war or any other events which coule not be predicted at the time of the conclusion of the contract， and could not be controlled， avoided or overe by the parties. however，the party effected by the event of force majeure shall inform the other party of its occurrence in written as soon as possible and thereafter send a certificate of the event issued by the relevant authority to the other party but no later than 15days after its occurrence. 　　in the event of force majeure last over 120 days， both parties shall negotiate the performance or the termination of the contract. 　　article 13　arbitration 　　all disputes arising from the performance of this contract should be settled through friendly negotiations. should no settlement be reached through engotiation， the case shall then be submitted for arbitration to the china international economic and trade arbitration mission(beijing) and the rules of this mission shall be applied. the arbitration fee shall be borne by the losing party unless otherwise awarded by the arbitration organi