Zhejiang Humo Polishing Grinder Manufacture Co.,Ltd.was established in 1986. It has more than 350 employees. The factory covers an area of 125,500 M2, with an annual output of more than 40,000 tons of polishing blocks, more than 4,000 sets of polishing machines and polishing fluids. More than 8,000 tons, it is the largest production and export base of light-grinding abrasive materials in China, and its production scale is also in the forefront of the same industry in the world. In 2014, the total industrial output value was 260 million yuan...