April 2022 18. Gaoba Road is located in Leshan City. According to the announcement of Leshan Municipal Government, the construction of Gaoba Road underpass tunnel in this city officially started on 201910 18, and was completed on April 18, 2022. Gaoba Factory belongs to an industrial park, which is called Gaoba Industrial Park of Western Chemical City, and is located in the east of Luzhou City on the southern edge of Sichuan Basin.