5.Total price of installation work：_________U.S. D only.
6.Payment terms of installation work：
First installment：
Party A shall pay to Party B fifteen percent of the total pricefor installation work， i.e._________U.S.D only， when thiscontract comes into effect.
Second installment：
Party A shall pay to Party B fifteen percent of the total pricefor instalatiorn work， i.e_________U. S. D. only， at the commencement of construction installation.
Third installment：
Party A shall pay to Party B ten percent of the total pricefor installation work， i.e._________U. S. D. only， duringthe installation of pipes.
Fourth installment：
Party A shall pay to Party B forty percent of the total pricefor installation work， i.e._________U. S. D. only， at thetime when the main equipment arrives at the site.
Fifth installment：
Party A shall pay to Party B ten percent of the total pricefor installation work，i， e._________U. S. D. only， upon comple - tion of the installation work.
Sixth installment：
Party A shall pay to Party B ten percent of the difference of the price for installation work， i.e._________U. S. D. only， after the work received has been proved qualified.
7.Penalty for default：
In the event Party B shall fail to complete the work in timeowing to reasons that Party B shall be held liable， Party B shallpay a penahy for such defauh based on one out of a thousand of the total price for installation work per day ， i.e._________U.S.D， only for each day of such default.
8.Increase or decrease of work：
In case Party A has to amend，increase or decrease the working schedule， the corresponding increase or decrease of total priceshall be evaluated according to the terms and conditions betweenthe two Parties， Should the work be increased， the Parties shallenter into an agreement for the unit price of additional items. Should any part of the completed work of any part of the materi - als transported to the site have to be abandoned owing to amend - ment made by Party A， Party A shall， after having received thework， pay for each completed work or materials abandoned as perthe unit price specified to Party B.
