Make the stir-fry sauce. In a small bowl or mason jar, add soy sauce, oyster sauce, sesame oil, Shaoxing wine, sugar, & grated ginger. Mix until blended.
Velveting the Chicken. Slice the chicken and season with salt and pepper in a bowl. Add a couple of tablespoons of slurry (cornstarch and water).
Prepare the noodles and vegetables. Follow the instructions on the packaging of chow mein noodles. Chop and slice all the vegetables and aromatics.
Pan-fry the noodles. Preheat the wok or frying pan to medium-high heat. Add neutral oil and heat it for a few seconds then add the chow mein noodles. Pan-fry the noodles until crispy. Transfer to the serving plate.
Sear the velveted chicken. In the same preheated wok or frying pan, sear the chicken until cooked through. Transfer to a plate and set aside.
Stir fry the vegetables with the stir-fry sauce. In the same preheated wok, saute onion for about a minute then add the celery and carrots. Stir fry for a minute then add the garlic and the rest of the vegetables. Stir fry for a minute or two. Then add the stir fry sauce and the chicken stock. Simmer for a couple of minutes until the vegetables are tender, or how you like to cook your vegetables. Then add the cooked chicken.
Serving Chow Mein noodles in two ways. Add and toss the pan-fried chow mein noodles to the wok with the stir-fry sauce, vegetables, and chicken. Or place the pan-fried chow mein noodles on a serving plate and pour the saucy stir-fry sauce with the vegetables and chicken.