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We have our own factory and are always looking for long-term cooperative customers to achieve win-win cooperation. We offer preferential prices, factory prices and high quality products. If you are interested, please contact me using the contact information below. Telegram:+852 63325562 Threema:MCZX4UTM Signal:Anna.4760 Email:yponbuhpchr@outlook.com We provide and export high quality research chemicals in large and small quantities ... our products is as below: Our products are of high purity (above 9