Stir-fry pork in 2 Tbsp. oil until done. Add mushrooms, yellow chives, beansprouts and stir-fry until tender. Stir in sauce mix and heat through. Set aside to cool.
Divide pork fillings into 15 portions. Wrap each portion with spring roll wrapper to form spring rolls. Seal ends with plain flour paste.
Deep-fry spring rolls in hot oil until golden yellow and crisp.