合同中支付条款的英文翻译，欢迎补充，对卖家有利！

And the price paid
4.1 Price
4.1.1 "contract facilities" for a total amount of 10,000 yuan (RMB as a whole), a detailed breakdown of prices, see Schedule 1. This total facilities for the contract price unchanged.
4.1.2 "equipment contracts," the price of components include: equipment design fee. Manufacturing costs. Factory pre-installed equipment costs. Paint packaging costs. Supporting pieces charges. Information technology costs. Arrival of equipment, "the factory of the contract" on-site delivery Premium, on-site services, as well as state taxes and other fees should be.
To pay 4.2
4.2.1 of the contract after the signing of 20 working days, the buyer the seller to pay 10% of the total contract price, including 10,000 yuan (RMB as a whole) as advance payment of the contract.
4.2.2 equipment in the basic design of the end of the review within 15 working days, the buyer the seller to pay 10% of the total contract price, including 10,000 yuan renminbi (RMB as a whole).
4.2.3 major seller of equipment into the processing stage, outside of the main pieces of the procurement package after confirmation by the buyer within 20 working days, the buyer the seller to pay 20% of the contract progress payments, including 10,000 yuan (RMB yuan as a whole).
4.2.4 the last batch of equipment before delivery, the buyer the seller to pay 20% of the total contract price, including 10,000 yuan (RMB as a whole). At the same time, the seller to the buyer to provide the following documents:
A. contract price of equipment invoices (VAT).
B. shipment notification 1
C. packing list 1
D. product inspection records 1
E. product certificate 1
F. Operation Manual 1
4.2.5 all equipment installed after 20 working days, the buyer the seller to pay 10% of the amount of the contract, including 10,000 yuan (RMB as a whole).
4.2.6 Engineering heat load trial run after passing the 20 working days, the buyer to pay 10% of the amount of the contract, including 10,000 yuan (yuan as a whole).
4.2.7 after passing inspection completed within 20 working days and submit all the documents and final acceptance of technical information, to pay 10% of the qualified acceptance, total 10,000 yuan (yuan as a whole).
4.2.8 of the contract to ensure the quality of equipment after the expiration of 30 days, the buyer the seller to pay 10% of the total contract price, including 10,000 yuan (yuan as a whole).