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Our company is the first ??????evel distributor of Shanghai recording chart mill which is the largest manufacturer of instrument-specific recording consumables in China. We supply all kinds of instrument recording consumables up to more than one hundred thousand, and recording pens matched , print heads, print wheels, ribbons, ink cartridges (water) more than 3000 kinds as well. Our production can meet the general needs of instrument market, which provides a reliable guarantee for the ...