Specific problems arising from pipette use are not good for the lab work using this device. If the device isn’t properly calibrated, for example, it will constantly give the wrong results or measurements, which is a big problem in any work. Where molecular methods are used in a sample contamination issues are common as well, besides, constant use of mechanical devices is known to cause them to degrade as well. All these details are important in understanding how things can work out in a laboratory. To eliminate any issues related to this, Jiangsu Changfeng Medical Industry Co., Ltd. creates and sells a wide range of purpose-built pipettes which are considered tough and precise enough to use in the most critical applications.