Peal & finely chop the garlic, onions and ginger. Wash and separate the samphire, halving the longer strands. Cut the other vegetables into smallish chunks.
Heat a wok over a high heat.
Add the oil and, when it is hot and slightly smoking, add the onion, garlic & ginger for a minute or so.
Add the vegetables, stir-fry for 30 seconds then add the water, cover and cook over a high heat for 2 minutes.
Add the soy sauce, sugar and rice wine. Stir-fry for another couple of minutes then add the sesame oil, stirring well, and serve at once.