The China wage review takes place each year after Chinese New Year.
This wage review then takes affect from the 1st of May therefore giving companies time to prepare paperwork and implement the increase. Chinese wages are controlled regionally so can vary throughout China.
These increases have had a major effect on manufacturing as many businesses have had to relocate further into China where the increases are perhaps less. This can result in longer port transit times and therefore increase the overall prices to the customer.
2017 saw a lower wage increase than previous years however even small increases put pressure on business.
2018 the increase is small, but with the RMB and USD we are seeing significant increase in cost