CHALLENGER SURVEY AND ENGINNERING CO.,LTD

Construction Survey Services

• As-Built Surveys
• Land Title Surveys
• Pipeline As-Built Surveys
• Residential Surveys
• Settlement Surveys
• Lot Surveys
• Aerial Orthophoto Surveys and Mapping
• House Layouts
• Condominium Surveys
• Communication Towers
• Volume Calculations
• Profile and Cross Sectional Surveys
• Road Surveys