We apply the most advanced and up- to- date technology from USA. It's Hydrocarbon instead of Perch solvent. It's environmental friendly and of course does no harm to your skin and health. According to a recent statistics, only 10% of those American biggest dry-cleaners are using this technology. The US government sets a dead-line for 100% dry-cleaners must implement the technology by the year of 2020. This is a technology revolution of which we are the vanguard.