Nikon Corp has moved to allay consumer fears in China after being criticized on a closely watched consumer show that said the camera maker had sold defective products in China and denied local consumers fair treatment in after-sales service.
Japan Today

Nikon Corp [has) moved]
[to allay] consumer fears (in China))

after being criticized
(on (a closely watched consumer) show)

that [said]

the camera maker [had sold] defective products
(in China)
the camera maker [had denied] local consumers fair treatment
(in after-sales service).