Zhengyu Agricultural Products Co. Zhengyu has been in business for a long time, originally doing OEM for Hsinchu rice noodles and Puli rice noodles. Currently, most of its production capacity is still delivered to the Hsinchu Farmers' Association and Puli Farmers' Association. Zhengyu has been in business for a long time, originally doing OEM for Hsinchu rice noodles and Puli rice noodles. Currently, most of its production capacity is still delivered to the Hsinchu Farmers' Association and Puli Farmers' Association. Address: 彰化縣芬園鄉彰化縣芬園鄉楓坑村楓竹路360號 Hours: 00:00–23:59 Changhua