What is the fine-grained topic of the following text: HeBei XinNuo Roll Forming Machine Co., Ltd. located in Botou - "the famous town of casting molds", enjoying convenient and effective transportation for being close to No.104, 106 national road and having Jinghu, Shihuang high speed way through all the area, is the professional manufacturer of metal sheet cold roll forming machines for many years. Only return the topic.
HeBei XinNuo Roll Forming Machine Co., Ltd.'s location and specialization.