Cangzhou GREAT WALL Measuring Tool Co.,Ltd was established in 2000 from Cangzhou Measuring Tool Works. The latter was established in 1966 .

    We are the manufacturer for producing thickness gauge in China and have more than 50 years history.We have opened up oil filter wrenches and the other hardware tools.We are wellknown by our high quality.

    We possess sell-export right our products sell well in domestic and foreign markets in southeast Asia,Europe and America,Warmly welcome domestic and overseas clients to cooperate with us.