Jinhua Hengda Tools Factory is one of the professional measuring instrument manufactures in China. Our main products are various level vials, glass vials, spirit levels, aluminum spirit levels, squares, line tapes, chalk line reels and spirit level key chains. Our products are widely applied in laser spirit levels, teaching instruments, electric tools and hand tools and are popular in domestic and foreign markets.We regard "existing with top-quality, developing with good credit" as our guidance and manage factory strictly according to ISO9001 quality control system. Owing to our...