KIMI has developed a service of repairing fuel injectors’ non-return valves. Following OEMs instructions, non- return valves that cannot be overhauled due to excessive wear have to be replaced with new. Non- return valves repair service is a cost-effective solution offered to our customers since 2011. Following overhauling completion, KIMI offers customers the option of repairing non- return valves that could not be overhauled.