Char Siu Pork on Steamed Pak Choy with Sweet Orange Sauce

I have to thank David Wong, a great friend and excellent Chinese chef, for giving me his scrumptious Char Siu pork recipe. Char Siu is usually served with soy sauce gravy over steamed Napa cabbage with plain white rice. But I have adapted it. The orange sauce was born when I overcooked the Char Siu, which became too dry, then I ran out of soy sauce so I had to improvise with oranges instead and what I had in the pantry. Thankfully, it worked deliciously well and saved the d