1. This product is provided in the form of freeze-dried powder, which may be difficult to observe due to small amounts. Please add the solvent directly into the bottle and swirl at low speed to ensure full dissolution; The prepared storage solution is divided according to the single dosage and frozen at -20℃ away from light to avoid repeated freezing and thawing. 2. For your safety and health, please wear a lab coat and disposable gloves.
大包装询价 
营业执照（三证合一） 
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