Whisk the Hoisin sauce, honey, brown sugar, soy sauce, coconut aminos, apple cider vinegar, Chinese rose wine, Chinese five-spice, garlic paste, ginger paste, and corn starch in a bowl.
Slice the pork shoulder or butt into 3 even pieces, then placeit into a gallon-sized resealable bag.
Pour half of the Chinese BBQ sauce over the pork, massage it into the pork, and allow the CharSiu pork to marinate in the fridge for up to 24or 48 hours.
Program your oven to 350°F. Cover a cooking sheet with foil, then arrange a wire rack on top of the cookie sheet.
Remove the pork from the BBQ sauce place it onto the wire rack.
Cook the Chinese BBQ pork for 25 minutes, turn it over, and cook it for additional 25 minutes until the pork has a temperature of 145°F.
Place the remaining Chinese BBQ sauce into a saucepot over medium-high heat and allow it to come to a boil.
Decrease the flame to medium-low and allow the Chinese BBQ sauce to cook for 10 minutes until it thickens.
Remove the Chinese BBQ pork from the oven and program your oven to broil.
Brush the pork with the remaining BBQ sauce and broil it for 4-5minutes until the sauce begins to caramelize and char.
Turn the Chinese BBQ pork over and paste it with more sauce and broil it for an additional 4-5 minutes.