标题（Title） 一般不超过80个字符
Welcome to BHCnav Website | Handheld GPS | GIS | GPS Cycling Computer | Land Measurement GPS
（92 个字符）
关键词（KeyWords）一般不超过100个字符
Handheld GPS, nava GPS, navigation, positioning, portable GPS, fitness GPS, outdoor GPS, survey and mapping, GIS handheld, bhcnav GPS, outdoor recreation, PDA, bicycle GPS, watch wrist GPS, innovative GPS, mapping software, geographic data
（239 个字符）
描述（Description）一般不超过200个字符
Providing GPS receivers and customized solutions, including handheld GPS, fitness, outdoor recreation, PDA, GIS, bicycle GPS and watch wrist GPS.
（145 个字符）
