Calibration tanks

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We are the biggest of measure can factory in China. According to Chinese policy, there only have 5 factory who allow produce measure can in china, and we are one of them. we take about 50% of the market share in China.I can sure you that most measure can you get from China come from us. Our quality is warranty. We can show you our certificate if you want . I will send the price for ship by sea for you later on.