Combine dressing ingredients in a small bowl; set aside.
In a large pot of boiling water, cook noodles according to package instructions until tender but firm to the bite. Drain well. Transfer noodles to a large serving bowl.
Poach bamboo piths in hot water for 3 – 5 minutes. Cut into 1-1/2-inch lengths.
Top noodles with bamboo piths, snow peas, carrot, green onions and preserved vegetables. Whisk dressing ingredients to recombine and pour over noodles and vegetables. Toss well.