Are there any female masters who teach martial arts in Langfang?

Yes Prestige Sanda Wushu Training Base and Xin 'an Wushu Training Center. According to Baidu map query:

1. Weifeng Sanda Wushu Training Base is located at No.841Hexi Hutong, Bazhou City, Langfang City, Hebei Province. There are female instructors who teach martial arts in the base.

2. Xin 'an Wushu Training Center is located at the east190m of Xin 'an Agricultural Cooperative, Zhenxing Road, Bazhou City, Langfang City. There are female instructors who teach martial arts in the training center.