Maybe these things are also available outside, not unique to Puyang, but you can probably find everything you can eat outside here. So I think Puyang snacks are the epitome.
Xiaojun Lamian Noodles
Address: No.0/39, West Section of Shengli Road, Puyang City
Labels: catering, leisure, catering, food, restaurant snacks.
Go here. From here, look around.
Hongdou Lamian Noodles
Address: Daqing Road, Puyang (downstairs of Supply and Marketing Building)
Labels: catering, leisure, catering, food, restaurant snacks.
Go here. From here, look around.
Haosijia
Address: West Gate of Puyang Business Center
Labels: catering, leisure, catering, gourmet restaurant, snacks, western food.
Go here. From here, look around.
Dicos pengcheng restaurant
Address: Puyang
Labels: catering, leisure, catering, gourmet restaurant, western snacks.
Go here. From here, look around.
Dicos xinxing restaurant
Address: Puyang Oilfield Headquarters (the first floor of Hualong Shopping Mall)
Labels: catering, leisure, catering, gourmet restaurant, western snacks.
Go here. From here, look around.
Haosijia
Address: Puyang
Labels: catering, leisure, catering, gourmet restaurant, snacks, western food.
Go here. From here, look around.
Hao Yun restaurant
Address: East of the intersection of No.1 Road and Jindi Road, Puyang City
Labels: catering, leisure catering, gourmet restaurants, home-cooked snacks.
Go here. From here, look around.
Hao Yun restaurant
Address: Puyang
Labels: catering, leisure catering, gourmet restaurants, home-cooked snacks.
Go here. From here, look around.
Zhengzhou Huimian Noodles Pavilion
Address: Huanghe West Road, Puyang (200 meters east of the entrance of Pushangyuan)
Labels: catering, leisure, catering, gourmet restaurant, snacks, friends gathering.
Go here. From here, look around.
Diyihui noodles
Address: Shengli West Road, Puyang (near the labor market)
Labels: catering, leisure, catering, gourmet restaurant, snacks, home cooking, friends gathering.