In a large wok or pan, heat vegetable oil and sesame oil. Add vegetables and a couple dashes of salt. Cook until vegetables are soft. Either remove or just scoot to the side of the pan, leaving the center to cook the pork.
Add 1 tablespoon vegetable oil and 1 tablespoon sesame oil. Heat and add the drained marinated pork. Cook pork, stirring constantly, until it is about 1/2 way cooked and starting to brown.
Add the spare rib sauce and continue cooking, stirring constantly, until browned.
Mix the vegetables with the pork and cook for another 1-2 minutes.
Add in the noodles and cook, stirring/tossing constantly for 1 minute.
Add the lo mein sauce and cook stirring/tossing continuously for 5 minutes (if noodles are fresh/uncooked or 2 minutes if noodles are cooked).