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measuring tool,angle square ruler
JinHua HengDa Tools Factory is the most professional manufacture of measuring survey instrument manufactures in China. Specialized in produce various bubble level vials, glass vials, spirit levels, aluminum spirit levels, anlge squares, tape measures, Chalk line reel, folding rulers and spirit level keychain etc.widely used in construction,househould,teaching fileds and hand tools, etc. popular in domestic and foreign markets.
angle square ruler