In March 2017, a certain Fifth Construction Engineering Group Co.
, Ltd.
(referred to as Fifth Construction Company) signed a commercial concrete purchase and sales contract with Jianmou Concrete Co.
, Ltd.
(referred to as Concrete Company), agreeing on the supply price of commercial concrete.
In September 2018, the two parties signed a supplementary agreement, which increased the price of concrete by 90 yuan per cubic meter.
From then until April 2020, the concrete company has supplied more than 5000 cubic meters of concrete to the Fifth Construction Company.
.