 These battles were small in scale, the volunteers using their knowledge of the local terrain to set ambushes, eventually compelling the Japanese to retreat to Harbin.By this time Wang had about 10,000 men and he was recognized as a general by the "Old Kirin" leader Gen. Li Du at his headquarters at Sanxing in Heilongjiang Province on the lower Sungari River.He along with Gen. Ting Chao raised a number of volunteers to supplement their regulars defeated at Harbin the previous year.